Installation and Maintenance

6
Unit
Installation and
Maintenance
Unit Objectives
After studying this unit, you are able to
• know some expressions about installation and maintenance
• describe the process of installing and cleaning a machine
• read a manual
• communicate with clients
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Warming-up
Task 1 As a mechanic, Tom Waters may experience the following situations.
Match them with the corresponding pictures.
B
A
D
C
Demonstrate how to
assemble a mini-lathe.
Discuss with his co-workers about
some technical problems.
Show an intern student
around the workshop.
Keep the tools clean and arrange
them in the toolbox.
Task 2 The following things are what Tom usually does for installing a machine.
Arrange them in the order of time and explain.
Put on proper clothes and gets tools ready.
Fix the time when he will arrive.
Receive a phone from the customer requiring him to install a newlyimported lathe.
Assemble the machine and tests it.
Read the instructions about how the machine should be installed.
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Unit 6 Installation and Maintenance
Reading A
Task 1 Before reading the passage, try to answer the questions about machine
installation.
1. What should be done to make a lathe work stably?
2. Why should rubber feet be attached to the bottom of a board when a lathe is mounted to it?
Mounting the Lathe to a Board
Mounting the lathe to a board (see Figure 1)
storage. The rubber feet help minimize the
is necessary because of the narrow base.
noise and vibration from the motor. Mounting
This keeps the machine from tipping. We
the tool directly to the workbench can cause
recommend mounting the lathe on a piece
vibration of the bench itself, which acts as a
of pre-finished shelf material, which is
“speaker” and actually amplifies the motor
readily available at most hardware stores.
noise. Bench mounting also eliminates one of
The machine can be secured to the board
the best features of Sherline machines—the
using four 10-32 screws with washers and
ability to be easily put away for storage. The
nuts. Lengths should be 1-1/2" for short bed
mill may be mounted in a similar manner on a
lathes and 1-7/8" for long bed lathes. Rubber
10" x 12" to 12" x 24" pre-finished shelf board
feet should be attached at each corner on
with rubber feet using 10-32 x 1" screws to
the bottom of the mounting boards. They
attach the mill to the board.
are also readily available in hardware. This
arrangement gives the machines a stable
platform for operation yet still allows for easy
R E M E M B E R : D O N O T L I F T YO U R
MACHINE BY THE MOTOR! Carry the machine
by lifting under the base or
by the mounting board. To
Figure 1:Machines mounted to a
base board for stability.
keep your Sherline tools clean,
soft plastic dust covers are
available. The lathe cover
is P/N 4150 for the Model
4000/4100 and 4500/4530
short bed lathes and P/N 4151
for the Model 4400/4410 long
bed lathe. A mill dust cover
is available as P/N 5150 for
5000-series mills and P/N 5151
Rubber feet
for 2000-series 8-direction
mills.
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Task 2 Match the measures with their possible effects according to the passage.
Mounting a lathe to a board
Attaching rubber feet
Mounting a lathe directly to the
workbench
Lifting a machine by the motor
Putting on a dust cover
achieving stability
reducing the noise
keeping the machine clean
causing the vibration of the
machine
damaging the lathe
Task 3 Read the passage again and judge whether the following statements are
True (T) or False (F).
1.The lathe is made into a narrow base so that it will be easily transported.
2.The lathe is suggested to be fixed on a piece of board to amplify the noise.
3.The pre-finished shelf material can be easily obtained because they are available in
hardware stores.
4.The rubber feet are attached to the bottom of the board in order to keep the machine
stable.
5.Workbench may act as a “speaker” to talk with the workers.
6.The machine can never be lifted by the motor.
7. The machine can be secured to the board by some screws.
8.You may adjust the sizes of the board to satisfy your need.
9.The vibration of the workbench may produce great noise in the workshop.
10. The plastic covers are used to keep the machine clean.
Task 4 Pair work. Mounting a machine to a board may not be too complicated.
Suppose you are Tom Waters, the machanic. Tell your partner what proper
steps should be taken to secure a machine to a board.
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Unit 6 Installation and Maintenance
Listening
Task 1 Listen to the conversation and match the people with the information.
Jane Peterson
●
●
●
●
Tom Waters
●
has set off for Mr. Bird’s company
a mechanic of Darkin Machinery Company
an intern of Darkin Machinery Company
manager of the company that ordered the lathe
will check the machine parts
Mr. Bird
Task 2 David Clinton, a mechanic from Dragon Machinery Co., Ltd, wants to
know how to place an order for some spare parts from Darkin Machinery
Company. Listen to the conversation and fill in the blanks with the
information you get from the recording.
Jane: Good morning, this is Jane Peterson. Can I help you?
David: Morning, Miss Peterson. This is David Clinton, a
Co., Ltd in Chicago. I would like to know how to place an
from Dragon Machinery
for some spare
parts manufactured by your company.
Jane: Well, Mr. Clinton, first of all, you have to make sure the machine
and the
of the machine.
David: Okay, thank you for reminding me of those details.
Jane: Then you may fill in the form
order those
from our company’s website, or you may also
parts from the factory directly by
David: Great! What is the phone number?
Jane: Toll free order line 1-800- 543-0756. Orders
the same day. .
before 12 o’clock will be
David: Thank you. Miss Peterson.
Jane: You are welcome. Goodbye!
David: Bye.
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Task 3 Jane Peterson wants to know some details about installation of the
Sherine machine. Listen to the conversation between Jane and Tom
Waters, and then choose the correct answer to each question.
1. What does Jane want to know?
A. How to repair a machine.
B. How to take the machine into parts.
C. How to install a lathe.
D. How to deliver a machine.
2. How many steps should Tom follow if he wants to install the machine?
A. Three.
B. Four.
C. Two.
D. Five.
3. Which of the following is the second step to install the machine?
A. Test the machine.
B. Mounting the Z-axis onto the base.
C. Installing the motor and speed control. D. Installing the cross-slide table.
4. Why should a machine be tested after it is assembled?
A. Because the instruction tells us so. B. Because the mechanic experience tells us so.
C. Because we want to know whether it can work properly.
D. Because our intuition tells us to do so.
5. What can we infer from the dialogue?
A. The machine is usually transported to the company in parts disassembled.
B. After the machine has been installed, it can be put into use immediately.
C. The machine installation generally follows four steps.
D. Testing of the machine is very necessary to make sure that the machine can work properly.
Task 4 Jane Peterson wants to know something about the readouts. Listen to the
conversation between Jane and Tom, and then answer the following questions.
1. Why do the digital readouts become more and more popular according to the conversation?
2.Does the user need any special knowledge to understand the readouts?
3.Are all the machines equipped with the same type of readouts?
4.Is the readout attached to the machine when it is transported to the factory?
5. What should a mechanic do if he does not want to lag behind the times?
Task 5 Tom Waters shows how to mount the cross-slide of a lathe to Jane Peterson.
Listen to the short passage and fill in the blanks with what you hear.
The installation of the cross-slide needs
. Firstly, you have to make sure
is covered with grease. Secondly, make sure that the gib
is
; if it has come off, you have to put it
. And lastly, set
over the gib
and match the dovetail
.
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Unit 6 Installation and Maintenance
Speaking
Task 1 Pair work. Follow the example to make a short conversation with the
information given below.
Example: Hisense Group Limited Company. /John
Wilson/signal/have a look
(John is knocking at the door; Mr. Smith
is opening the door.)
A: Good morning.
B: Good morning, are you Mr. Smith?
I’m John Wilson from Skyworth
Corporation Ltd.
A: Mr. Wilson, come in, please. There is
no signal shown on the TV screen.
B: Don’t worry. Let me have a look.
1. Sichuan Changhong Electric Co., Ltd./Tim Smith/sound/have a look
2.Nanjing Panda Electronics Co., Ltd/Sam Adams/unclear pictures/replace some parts
3.Qingdao Haier Co. Ltd. /waves on the screen /replace some parts
Task 2 Pair work. John is working in Hisense Group Limited Company. He is
now helping Mr. Smith who bought a TV set to install the satellite dish.
Make a conversation with your partner. You may use the phrases or
expressions listed below.
Mr. Smith
John Wilson
Would you please …?
There are several steps… Firstly …
Why should we choose a proper place?
Receive the better signals and prevent wind.
How about the next step?
Connect the dish with the TV set.
What if…?
Call this number for help.
Write down the telephone number.
You are welcome.
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Task 3 Pair work. Make a phone call with the information given below and then
act it out.
John is receiving a telephone from Mr. Smith, who reports that the TV set can’t receive any
program. John promises to come to Mr. Smith’s home and check what is wrong with the TV.
John
Greet.
Tell him to turn on TV and
switch the channel.
Decide to go to Mr. Smith’s
home and check what has really
happened.
Mr. Smith
Greet and report what has
happened to the TV set.
Report what he has done,
but nothing has happened.
Fix the time of John’s visit
to Mr. Smith’s home.
Task 4 Pair work. John is now at Mr. Smith’s home and he is checking the TV set.
Make a conversation between Jone and Mr. Smith with the help of the
information below.
Mr. Smith:
1)
2)
3)
4)
when he found the TV set failed to work
what had happened to the TV set before it did not work
what he had done before he made the phone call
what will he do if the TV does not work again
John:
1) whether the TV set is correctly linked with the power source
2) whether the switch of the TV set is out of order
3) whether the TV set has been falsely
connected
4) whether the position of the antenna
for the satellite TV program has been
changed
5) remind Mr. Smith what he may do if
the TV set doesn’t work again
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Unit 6 Installation and Maintenance
Reading B
Cleaning the
Sewing Machine
If the sewing machine is extremely
dirty or has not been in use for some
time, the guide rails and spindles may
need to be cleaned thoroughly.
Remove the covers from the X and Y
guide rails and spindles. Spray plenty of
anti-corrosion solution onto the spindles
and guide shafts and let the solution sink
in so that the old grease and oil residue
can be eliminated.
Dried bits of dirt and old grease can
then be removed using cleaning paper
and/or a toothbrush. It is best to polish
rusty areas with some cleaning paper
and anti-corrosion solution. In extreme
cases you can also use the polishing
paste used to "shine" old cars. On no
account must you clean the guide rails
with a nail file or other hard instrument,
as this is bound to damage them.
If unsuitable grease has been used the
spindles may be covered in resin, in which
case it is no longer possible to clean them
with a solution and a toothbrush. Instead
it is better to use a wooden wedge which
is thin enough to fit in the spindle threads.
Then you can remove the really tough dirt
without damaging the spindles.
Depending on how bad the dirt is,
the cleaning procedure will have to be
repeated a number of times.
After that, grease the shafts again
with a few drops of acid-free and resinfree sewing machine oil or multi-lube
spray.
Finally the spindles are greased again
with the aid of a clean brush. Make sure
that the brush does not lose any hair and
that the grease penetrates the grooves
deeply.
Task 1 Read the passage and match each paragraph with the corresponding
measure taken to clean the machine.
Paragraph 1
Clean the machine thoroughly.
Paragraph 2
Grease the shafts again.
Paragraph 3
Repeat the cleaning procedure.
Paragraph 4
Use a thin wooden wedge.
Paragraph 5
Grease the spindles.
Paragraph 6
Spray plenty of anti-corrosion solution.
Paragraph 7 Use cleaning paper or a toothbrush.
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Task 2 Match the English expressions with their Chinese meanings.
1. anti-corrosion solution
a. 抛光膏，磨光剂
3. clean thoroughly
c. 揭去盖子
5. remove the covers
e. 缝纫机油
7. tough dirt
g. 顽固的灰尘
2. the polishing paste
4. grease the shafts
6. hard instrument
8. sewing machine oil
9. multi-lube spray
10. cleaning procedure
b. 抗腐蚀溶剂
d. 彻底清洗
f. 坚硬的器具
h. 清洁程序
i. 多功能润滑喷剂
j. 给机轴涂油
Task 3 Retell the measures taken to clean a sewing machine.
Task 4 Translate the following paragraph into Chinese.
Anyone who is going to use Twister Speed Lathe needs to be aware
of the following warnings:
1. Never attempt to operate this machine in a damp or wet area.
2. Never leave this machine unattended while it is running.
3. Never wear gloves while operating this machine.
4.Don’t operate this machine while wearing a ring, a watch, jewelry,
a tie, loose clothing, or long hair, which is not contained by a net, or
shop cap.
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Unit 6 Installation and Maintenance
Writing
Task 1 Write out the words to finish the procedure of cleaning a sewing machine
according to Reading B. The first letter of each word has been given.
1. R
the covers from the X and Y guide rail and s
2. Spray plenty of anti-corrosion s
3. Use cleaning paper or a t
onto the s
.
and guide shafts.
to remove dirt and g
.
Task 2 Suppose you are John who visited Mr. Smith to fix his TV set last week.
Write a letter to ask about how the TV set works and express your
willingness to help in the future.
Dear Mr. Smith,
Yours truly,
John Wilson
Maintenance Department of Hisense Group Limited Company
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Project
This project aims to go through the procedure of installation of a lathe after it has
been shipped to the factory. The whole process is divided into four steps. Step one
is about cross-slide installation. Step two is to mount the speed control and motor
assembly onto the Z-axis. Step three is to align a digital readout with the machine.
Step four rests on the machine testing.
Please follow the Task Description to complete your work.
Task Description
1
Step One
2
Step Two
3
Step Three
4
Step Four
• Set up a practicing group with 4-6 students in your class.
• Discuss with your group members how to mount the cross-slide.
• Write down and present what procedure your group is going to take to the other groups.
(To mount the speed control and motor assembly onto the machine, you have to, first
of all, install the Z-axis onto the machine and other parts.)
• Discuss with your group members to decide which step to take as the first one.
• Write down the steps to assemble the machine.
• Show to the class the steps to follow.
• Divide your group into two.
• Discuss within the subgroup to decide how to correctly connect the power core
with the machine.
• Note down the steps you have taken and show them to the other subgroup.
• Discuss with your group members the proper steps taken to test the machine.
• Note down the plan your group has proposed.
• Show your plan to the class and obtain some advice from your classmates.
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Unit 6 Installation and Maintenance
Self-evaluation
Rate your progress in this unit. D
M
P
F*
I can describe the process of installing and cleaning a machine.
I can understand a manual.
I can pick up the main information from machine instructions.
I can communicate with foreign clients about maintenance.
*Note: Distinction, Merit, Pass, Fail
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New Words and Expressions
Reading A
New Words
storage n. 贮藏
arrangement n. 安排
vibration n. 振动
amplify vt. 放大，增强
board n. 板材
eliminate v. 消除
hardware n. 五金器具, (电子仪器的)部件
lathe n. 车床
mill n. 压榨机, 磨粉机
minimize vt. 减少到最低限度
mount vt. 安装；安置
tip vi. 变倾斜
washer n. 垫圈
workbench n. 工作台，如机械工人、木匠或珠宝匠
的工作台
Phrases & Expressions
be secured to
allow for
固定在; 安装在
考虑到，为了……
nut n. 螺母, 螺帽
put away
pre-finished a. 抛光好的
Technical Terms
screw n. 螺丝钉
with washers and nuts
platform n. 平台
recommend vt. 推荐
放好
hardware store 五金商店
带着垫圈和螺帽
secure v. 确保
Reading B
New Words
shaft n. 轴, 杆状物
anti-corrosion n. 防侵蚀
spindle n. 锭子, 纺锤
acid n.（化）酸
file n. 锉刀
solution n. 溶液
spray vt. 喷洒
grease n. 润滑油
wedge n. 楔
multi-lube n. 多功能润滑油/润滑剂
Phrases & Expressions
groove n. 长而窄的槽
nail n. 指甲, 钉子
paste n. 浆糊
sink in
be bound to
渗入，浸透
一定要，一 定会
penetrate vt. 穿透
fit in
rail n. 轨道
Technical Terms
装配好
polish v. 磨光；擦亮
residue n. 残余, 滤渣
resin n. 树脂
rusty a. 生锈的, 腐蚀了的
guide rail
oil residue
spindle thread
导轨
油渣
螺纹轴
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Unit 6 Installation and Maintenance
Vocabulary and Structure
Task 1 Write out the words in Reading A according to their meanings in the
right column. The first letter of each word has been given.
t
to make firm or tight; fasten
m
to fix sth. in position for use
m
to reduce to the smallest possible amount, extent, size, or degree
a
capable of being gotten; obtainable
e
to support or establish the certainty or validity of sth.; verify
l
to direct or carry from a lower to a higher position; raise
a
increase (sth.) in size or strength
v
vibrating movement or sensation
Task 2 Fill in each blank with the proper form of the word given in brackets.
1.The central aim of the government is to keep social
growth.
2. The
(similar) between the two reports suggests that one person wrote both.
3. I was amazed at her
(able) to cope with the difficult situation.
4.We make good use of special
(plastic) in place of metal.
5.During this stage the atomic system acts as an energy
6.There is no point in applying this fertilizer regardless of the
grass.
7. A similar
meeting.
(stable) and economic
(store) mechanism.
(available) of
(arrange) was therefore necessarily made before we had a
8.He decided not to wait for any
immediately.
(long) of time and determined to take action
9.Management of human resources is a key to success in any
particularly a family operation.
10. Even at full speed the ship’s engines cause very little
(operate),
(vibrate).
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Task 3 Complete the following statements with the words or phrases given
below. Change the form if necessary.
keep from
in cases
mount
on no account
put away
bound to
minimize
with the aid of 1.The old farmer is walking in the street slowly
2.He
in use
attach
a cane.
the value of her contribution to his research so that he got all the praise.
3.She’s got a few thousand pounds
4.Jane left him folding the coat and began to
for her retirement.
5.If you undertake the project, you are
6.Prof. Smith
7. David can’t
8.We will always come
9.“If the money is not
bread or wine with it.”
the stairs.
encounter difficulties.
to the medical college as a guest professor for two years.
talking his trip because he is just back from China.
of extreme necessity, i.e. if we are very much needed.
now,” he thought to himself, “I shall not be able to buy
10. We must always go into the whys and wherefores of anything.
follow anyone like sheep （盲从他人）.
should we
Task 4 For each of the following clues, use the given prompts to produce sentences
with the same pattern as is shown in the example.
Example 1: Spray plenty of anti-corrosion solution onto the spindles and guide shafts and let
the solution sink in/ the old grease and oil residue can be eliminated
—Spray plenty of anti-corrosion solution onto the spindles and guide shafts and let
the solution sink in so that the old grease and oil residue can be eliminated.
Example 2: he got up early/he might catch the first bus
—He got up early so that he might catch the first bus.
1) Her parents made many sacrifices / she could go to university
2) He had saved enough money / he could live in comfort
3) He wore a mask/ no one should recognize him
4) He saved up his money/he might go abroad for his vacation
5) Place the infant upright/he is looking over your shoulder
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Unit 6 Installation and Maintenance
Task 5 Translate the following Chinese into English to complete the sentences,
using the words or phrases given in brackets.
1. It is necessary to
(把机床安装在一块木板
上). (mount … to …)
2. Rubber feet
(垫在安装板底部的) help
minimize the noise and vibration from the motor. (attach to)
3. The machine can
(被固定在安装板上) using
four 10-32 screws with washers and nuts. (be secured to)
4. Snack Bar is the place
(是供应快餐的地方).
(available)
5. We’d better start earlier. We should
(考虑到
路上交通会有耽搁). (allow for)
Grammar
（同«艺术设计英语»）
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Fun Time
Humor
A Russian, a Cuban, an American businessman and an American
lawyer were on a train traveling across Europe. The Russian took out
a large bottle of Vodka, poured each of his companions a drink and
hurled the semi-full bottle out the window.
“Why did you do that?” asked the American businessman.
“Vodka is plentiful in my country,” said the Russian. “In fact, we
have more than we will ever use.”
A little later, the Cuban passed around fine Havana cigars. He took
a couple of puffs of his and then tossed it out the window.
“I thought the Cuban economy was suffering,” the businessman
said. “Yet you threw that perfectly good cigar away.”
“Cigars,” the Cuban replied, “are a dime a dozen in Cuba. We have
more of them than we know what to do with.”
The American businessman sat in silence for a moment, then he
got up, grabbed the lawyer and threw him out the window.
New Words
1.
2.
3.
4.
5.
6.
7.
8.
9.
Vodka 伏特加酒
companion 伙伴，朋友
hurl 猛投，猛掷
Havana 哈瓦那（古巴首都）
puff 一阵喷烟
toss 投，掷
dime <美> 一角硬币
grab 抢夺，抓取
a dime a dozen <口> （就像一角可
以买一把东西）因太多而不稀罕
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