Isuzu KB P190. Manual — part 354

6A-56 ENGINE MECHANICAL (4JK1/4JJ1)

• Align the oil hole of the cylinder body (2) with

the oil hole of the idle gear A shaft (3).

• Install the flange so that the front mark (1) face

toward the front.

• Install the idle gear A and idle gear A flange,

idle gear A shaft at the position shown in the

figure.

• Apply engine oil over the part where the gear of

the idle gear shaft is to be put together.

• Apply engine oil to the bolt screw thread and

seat, and temporarily tighten together with the

flange (tighten fully in later process).

LNW71BSH000501

• Attach, aligning with the gear crank: idle A and

timing mark.

RTW56ALH000301

5. Tighten the bolts of idle gear A and idle gear C to

the specified torque.

Tightening torque:

idle gear A 32 N

⋅⋅⋅⋅m (3.3 kg⋅⋅⋅⋅m / 24 lb ft)

idle gear C 59 N

⋅⋅⋅⋅m (6.0 kg⋅⋅⋅⋅m / 43 lb ft)

RTW56ASH011701

Legend

1. Idle Gear A Bolt

2. Idle Gear C Bolt

ENGINE MECHANICAL (4JK1/4JJ1) 6A-57

6. Remove the M6 bolt from the idle gear A.

7. Install the gear case cover.

• Apply the liquid gasket (ThreeBond TB-1207B

or equivalent).

RTW56ASH020101

Legend

1. Apply the liquid gasket

• Install the gasket in slot of the gear case cover.
• Tighten the bolts to the specified torque.

Tightening torque: 8 N

⋅⋅⋅⋅m (0.8 kg⋅⋅⋅⋅m / 69 lb in)

RTW56ASH012101

8. Install the vacuum pump.

Tightening torque: 25 N

⋅⋅⋅⋅m (2.5 kg⋅⋅⋅⋅m / 18 lb ft)

• Install the oil pipe (feed side and return side) of

vacuum pump.

• Install the vacuum pipe bracket and vacuum

pipe.

9. Install the power steering pump.

• Tighten the nuts to the specified torque.

Tightening torque: 25 N

⋅⋅⋅⋅m (2.5 kg⋅⋅⋅⋅m / 18 lb ft)

• Connect the bracket (1) of power steering oil

hose.

LTW56ASH000101

10. Install the crank pulley.

Tightening torque: 294 N

⋅⋅⋅⋅m (30.0 kg⋅⋅⋅⋅m / 217 lb ft)

11. Install the A/C compressor drive belt and fan belt.

Refer to drive belt tension check procedure for

Heating and air conditioning and Engine cooling in

this manual.

12. Install the cooling fan.

13. Install the fan guide.

14. Install the radiator upper hose.

15. Replenish the engine coolant.

6A-58 ENGINE MECHANICAL (4JK1/4JJ1)

Torque Specifications

LNW76ALF000601

ENGINE MECHANICAL (4JK1/4JJ1) 6A-59

Camshaft Assembly

Components

RTW56ALF000901

Legend

1. Snap

Ring

2. Sub

Gear

3. Knock

Pin

4. Damper

Spring

5. Camshaft Gear and Camshaft

6. Camshaft Bearing Cap

7. Bolt