Search for notes by fellow students, in your own course and all over the country.

Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.

My Basket

You have nothing in your shopping cart yet.

Title: Automotive / Tools and Measurements 2
Description: This notes is the continue topic from the previous notes. Tools and Measurements. You can try to get more details by this note.

Document Preview

Extracts from the notes are below, to see the PDF you'll receive please use the links above


Instructions
1
...

(2) Set a replacement rod and an adjustment
washer so that the gauge will be 0
...
0mm
longer than the cylinder bore
...
Then,
make a fine adjustment with an adjustment
washer)
...

Vernier caliper
Replacement rod set screw
Rod size
Spindle

Cylinder
Replacement rod
Adjustment washer
Set screw

(2/5)

Cylinder Gauge
2
...
Fix the
spindle of the micrometer with the clamp
...

(3) Set the zero point of the cylinder gauge (the
point at which the dial gauge pointer turns back
at the contraction side of the probe)
Micrometer
Spindle
Clamp
Stand

(3/5)

3
...

(2) Move the gauge to seek the position with the
shortest distance
...

Guide plate
Probe
Extension side
Contraction side

(4/5)

-19-

4
...
00(x) - 0
...
95mm
HINT:
(1) Follow the instructions in the repair manual for
the measurement positions
...

Ovaling: A' - B' (A'>B')
:a' - b' (a'>b')
Tapering: A' - a' (A'>a')
:B' - b' (B'>b')
* The cylinder bore is formed into a precise circle
...
For this reason, the cylinder bore could
become oval or tapered partially
...

Plastigage is made of soft plastic, and comes in
three colors, each indicating a different thickness
Clearance measurement ranges:
Green: 0
...
076mm
Red: 0
...
152mm
Blue: 0
...
229mm

Plastigage
The widest portion of the plastigage
Connecting rod bearing
Connecting rod

Torque wrench
Crankshaft
Connecting rod cap
Oil clearance

Instructions
(1) Clean the crankshaft pin and the bearing
...

(3) Place the plastigage on the crankshaft pin as
shown
...
Do not turn
the crankshaft
...
Measure the
thickness at the widest portion of the plastigage
...

Measurement range:
0
...
1mm
• Each wires with different thickness are used for
measuring the spark plug gap
...

Instructions
(1) Clean the spark plug
...

(3) Use a gauge that slides with slight resistance
but no looseness, and read its thickness
...
Do not interfere with
the insulation or the center electrode
...
At the
present condition, general spark plug except
platinum and iridium is not necessary to be
inspected either if the engine operates normally
...


(1/3)

Instructions
(1) Used for measuring the clearance of the value
or the piston ring grooves, etc
...
Combine the blades so as to use the
minimum number as possible
...

(2) Before putting the blades, away, clean the
surfaces and apply oil to prevent them from
rusting
...

1
...

When this switch is set to the proper position, the
measurement range changes automatically in
accordance with the input signal values
...
Range selector switch
In the AUTO range, the position of the decimal
point and the unit change automatically in
accordance with the input signal values
...
This makes the
measurement smoother than in the AUTO range
because the position of the decimal point and the
unit do not change
...
Display panel
Displays a bar graph in addition to a numerical
display
...


-23-

4
...


5
...

400A probe
Clips onto the harness to measure the current
...

Alligator clip
Clips onto terminals
...

Pin
Used for measuring detailed terminal parts such as
those of an ECU
...

(1/4)

Instructions
1
...

(2) Set the function selector switch to DC voltage
(
V)
...

Voltage (V)
Range selector switch
Function selector switch

-24-

2
...

(2) Set the function selector switch to 20A or
400mA range, and change to the direct current
with DC/AC switch to measure
...

(2) Set the function selector switch to EXT and the
DC / AC switch to DC ( ), and take a
measurement
...
Adjust the indication to 0
...

NOTICE:
When measuring a current in 20A or 400mA range,
be careful not to exceed the specified current
...
Measuring resistance
(1) Connect the black (-) test lead to COM and the
red (+) test lead to ( )
...

(3) Select the range with the range selector switch
according to the resistance to be measured
...
Electrical continuity testing
(1) Connect the black (-) test lead to COM and the
red(+) test lead to
...
Take a measurement
...

Function selector switch
Resistance ( )
DC/AC switch
Range selector switch
Continuity

-25-

(3/4)

NOTICE:
1
...

Change the batteries in the 400A probe if the
LED does not light
...
Avoid storing or leaving the equipment out in
high temperatures
...
Do not input any signal, which is larger than the
maximum permitted:
Measurement
category

Range

Maximum permitted
input

DC voltage
AC voltage

Each range
Each range
400mA
20A
40A, 400A

DC1000V
AC750V
2A
20A
450A (600V)

DC / AC
current

4
...

5
...

(4/4)

Others
Auto Lift

• Lifts the vehicle high so that the technician can
assume a comfortable posture to work under the
vehicle
...

Plate type
Swing arm type
Four column lift type

(1/4)

Instructions
1
...

(2) Fit the plates and arms to positions as indicated
in the repair manual
...

• Always lock the arms
...

Plate type
• Use the plate lift attachment as indicated in
the repair manual
...

• Do not allow the plate lift attachments to stick out
of the plates
...
Lift up / Lift down
• Always perform a safety check before raising or
lowering the lift, and signal to others that the lift is
about to operate
...

CAUTION:
• Take any luggage put of the vehicle, and raise it
empty
...

• Never lift any vehicle that exceeds the weight limit
for the lift
...
Please refer to
the repair manual for instructions
...

• Take care when performing removal and
replacement of heavy parts as the center of
gravity of the vehicle may change
...

• If the operation is to be left unfinished for a period
of time, always lower the vehicle
...

• Operating the handle increases the oil pressure
and causes the arm to lift
...

• There are various models available with different
lifting capabilities (measured in tons
...

• Height can be adjusted by changing the pin
position
...
Preparation
(1) Check the vehicle's jacking points and stand
support points of rigid racks in the repair manual
before jacking up
...
Position them near the vehicle
...
)

(2/5)

2
...

(2) Place the garage jack in the specified position
and lift the vehicle, paying attention to the
direction it is facing
...

However, the order can change depending on the
model
...

• Do not apply the jack to the tortion beam axle to
lift up
...

• Always use a jack stand when jacking up
...

• Do not use multiple garage jacks at one time
...

• Vehicles with air suspension need special
handling due to their construction
...


(3/5)

3
...

(2) Re- check the height of the rack so that the
vehicle is in a horizontal position
...

(4) Remove the jack after checking
...

(4/5)

-28-

4
...

(2) Remove the rigid rack
...

(4) Once the tires have reached the ground
completely, apply wheel stoppers
...
However, the order can change depending
on the model
...
Check that nothing
is below the vehicle before lowering it
...

• When the garage jack is not being used, lower the
arm and stand the handle up
...


True or False

1

Remove and re-install bolts and nuts by using the tool according to
the part
...

(1)socket wrench set --> (2)boxend wrench --> (3)openend wrench
...


j
k
l
m
j
k
l
m
n True n False

3

During the final tightening of a bolt or nut, use a torque wrench to
tighten it to the specified torque in accordance with the repair
manual
...


j
k
l
m
n True n False
j
k
l
m

5

When measuring the dimensions of a part, use a measuring
instrument with a measuring precision that is suited to the required
precision of the part
...
Which one of the
measurement values given below indicates the correct value of the caliper gauge when its long hand points to "20"?

j
k
l
m
n 0
...
2mm

j
k
l
m
n 2mm

j
k
l
m
n 20mm

Question-3
Which one of the following measuring instruments is the most appropriate for measuring the outer diameter of a
piston?

Required precision:0
...
Micrometer
Measuring precision:0
...
Cylinder gauge
Measuring precision:0
...
Vernier caliper
Measuring precision:0
...
Caliper gauge
Measuring precision:0
...


(1)

Openend

h)

)

wrench

(2)

(

)

wrench

(3)

a)

(

(

)

wrench

(4)

(

)

wrench

b)

Adjustable

c) Air impact

d) Air ratchet

Boxend

-31-

e) Torque

f) Spark plug

g) Socket


Title: Automotive / Tools and Measurements 2
Description: This notes is the continue topic from the previous notes. Tools and Measurements. You can try to get more details by this note.