Isuzu KB P190. Manual — part 234

ENGINE MECHANICAL 6A – 131

OIL FILTER AND OIL COOLER

DISASSEMBLY

Disassembly Steps

1.

Oil filter cartridge

5.

Body

2.

Bolt

6.

Oil cooler relief valve

3.

Gasket

7.

Regulating

valve

4. Oil

cooler

Disassembly procedure is shown in the illustration above numerical order.

050R300004

6A – 132 ENGINE MECHANICAL

INSPECTION AND REPAIR

Make the necessary adjustments, repairs, and part replacements if excessive wear or damage is discovered during
inspection.

Oil Cooler

Water Leakage at Water Passage

1. Plug one side of the oil cooler water passage.

2. Submerge the oil cooler in water.

3. Apply compressed air (200kPa (2kg/cm

2

/ 28psi)) to

the other side of the oil cooler water passage.

If air bubbles rise to the surface, there is water leakage.

Should be replaced oil cooler assembly.

050RY00002

ENGINE MECHANICAL 6A – 133

REASSEMBLY

Reassembly Steps

1.

Body

5.

Gasket

2.

Regulating valve

6.

Bolt

3.

Oil cooler relief valve

7.

Oil filter cartridge

4. Oil

cooler

Reassembly procedure is shown in the illustration above numerical order.

050R300003

6A – 134 ENGINE MECHANICAL

RTW46ASH001701

1. Body

2. Oil Filter Safety Valve

3. Oil Cooler Safety Valve

Tighten the oil filter

A

and oil cooler

B

relief valve to the

specified torque.

Regulating Valve

N·m(kg·m/lb ft)

A

64 (6.5/48)

4. Oil

Cooler

5. Gasket

6. Bolt

Tighten bolt with gasket and oil cooler to the specified
torque.

Bolt Torque

N·m(kg·m/lb ft)

40 (4.1/30)

7. Oil Filter Cartridge

1) Apply engine oil to the O-ring.

2) Tighten the oil filter cartridge to the specified torque.

Filter wrench: 5-8840-0201-0

Oil Filter Cartride Torque

N·m(kg·m/lb ft)

18 (1.8/13)

050R300006

050RY00004