Mitsubishi Pajero Pinin. Manual — part 240
BASIC BRAKE SYSTEM –
Rear Disc Brake
35A-28
LUBRICATION POINTS
Piston
seal
Grease: Repair kit grease
Caution
The piston seal inside the seal
and boot kit is coated with
special grease, so do not wipe
this grease off.
Brake fluid: DOT3 or DOT4
Grease: Repair kit grease
Grease: Repair kit grease
BASIC BRAKE SYSTEM –
Rear Disc Brake
35A-29
DISASSEMBLY SERVICE POINTS
A
A
"
PISTON BOOT/PISTON REMOVAL
Use a piece of wood to protect the caliper body outer side,
and then apply compressed air through the brake hose
connection hole to withdraw the piston and piston boot.
Caution
If air is blown into the caliper body suddenly, the piston
will pop out, causing damage to the caliper body. Be sure
to apply compressed air gradually.
A
B
"
PISTON SEAL REMOVAL
1.
Remove the piston seal with finger tip.
Caution
Do not use a flat-tipped screwdriver or other tool to
prevent damage to inner cylinder.
2.
Clean piston surface and inner bore with trichloroethylene,
alcohol or the specified brake fluid.
Specified brake fluid: DOT3 or DOT4
REASSEMBLY SERVICE POINT
"
A
A
LOCK PIN/GUIDE PIN INSTALLATION
Install the guide pin and lock pin as illustrated that each head
mark of the guide pin and the lock pin matches the indication
mark (“G” or “L”) located on the caliper body.
INSPECTION
D
Check the cylinder for wear, damage or rust.
D
Check the piston surface for wear, damage or rust.
D
Check the caliper body or sleeve for wear.
D
Check pad for damage or adhesion of grease, check the
backing metal for damage.
Lock pin
Front
“L”
Guide pin
“G”
BASIC BRAKE SYSTEM –
Rear Disc Brake
35A-30
PAD WEAR CHECK
Measure thickness at the thinnest and worn area of the pad.
Replace the pad assembly if the pad thickness is less than
the limit value.
Standard value: 10 mm
Limit: 2.0 mm
Caution
1.
Always replace the brake pads as an axle set.
2.
If an excessive difference is found in the thickness
between the right and left brake pads, check moving
parts.
BASIC BRAKE SYSTEM –
Load Sensing Proportioning Valve
35A-31
LOAD SENSING PROPORTIONING VALVE
REMOVAL AND INSTALLATION
Caution
Do not disassemble the load sensing proportioning valve.
Pre-removal Operation
Brake Fluid Draining
Post-installation Operation
D
Brake Fluid Supplying
D
Brake Line Bleeding (Refer to P.35A-10.)
15 Nm
3
5
1
2
4
3
15 Nm
Removal steps
"
A
A
1. Spring support
2. Load sensing spring
3. Brake pipe connection
4. Load sensing proportioning valve
5. Bracket
INSTALLATION SERVICE POINT
"
A
A
SPRING SUPPORT INSTALLATION
1.
Install the load sensing spring, and then tighten the spring
support to the axle assembly temporarily.
2.
Insert the lever of the load sensing proportioning valve
fully into the valve side and hold it. Then adjust the spring
support so that the spring length (the distance between
the two ends of the spring) is at the standard value.
Standard value (A): 194 – 198 mm
Load sensing spring
Spring
support
Lever
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