Work Procedure

CAUTION:

Clean surrounding areas of oil injection jack using steam before starting operation, since there may be mud on it.
Clean oil pressure gauge (SST: KV40108000) jack with steam before use.

Remove protector of PPMU.
Remove cap of oil injection jack.
Install an oil pressure gauge (SST: KV40108000) (A) to oil injection jack.

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CAUTION:
- Jack must be securely inserted until a click sound can be heard.
- Pressure reducing valve (B) of the oil pressure gauge must be closed.
Loosen needle valves A, C, and E of PPMU by approximately 2 rotations.
CAUTION: Never loosen the needle valve more than required.

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Lift up the vehicle.
CAUTION: Check that tires never contact the ground.
Tighten needle valves C and E of PPMU.
Loosen lock nut of needle valve D of PPMU and then tighten needle valve D.
Lift down the vehicle.
CAUTION: Check that the lift is fully lowered.
Write down a value of the oil pressure gauge after 5 minutes.
Tighten needle valve A of PPMU.
Loosen lock nut of needle valve B of PPMU and then tighten needle valve B.
Loosen needle valve C of PPMU by approximately 2 rotations.
CAUTION: Never loosen the needle valve more than required.
Read a value of oil pressure gauge.

Compare difference of reading with pressure reading in step 9.

Tighten needle valves A, C, and E of PPMU to the specified torque.

Tightening torque

: 8.3 N.m (0.85 kg-m, 73 in-lb)

Loosen needle valves B and D of PPMU by approximately 2 rotations and then tighten lock nut to the specified torque.

CAUTION: Never loosen the needle valve more than required.

Tightening torque

: 20 N.m (2.0 kg-m, 15 ft-lb)

Loosen pressure reducing valve (A) of oil pressure gauge and lower pressure.

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CAUTION: Be careful since oil drains swiftly from oil drain hole (B).
Check that reading of oil pressure gauge is 0 MPa.
Remove oil pressure gauge.