Isuzu NHR 4J Series, Workshop Manual

Page: 113 / 406

6A – 46 GENERAL ENGINE MECHANICAL
4) Crankshaft Damper Pulley
Tighten the crankshaft damper pulley bolt to the
specified torque.
NOTE:
Hold the flywheel ring gear stationary to prevent the
crankshaft from turning when tightening the damper
pulley.
N ∙ m (kg ∙ m/lb ∙ ft)
206 (21/152)
3) Cooling Fan Assembly
•
Mount fan pulley, distance piece, and cooling fan asm
(in this order) on the water pump, and tighten to the
specified torque.
N ∙ m (kg ∙ m/lb ∙ in)
8 (0.8/69)
2) AC Generator, Power Steering Pump Drive Belt
•
Install AC Generator, Power Steering pump drive belt
and adjust belt tension.
• Depress the drive belt mid-portion with a 98 N (10
kg/22 lb) force.
Drive Belt Deflection mm (in)
8 (0.31) - 12 (0.47)
• Tighten the idler lock nut to the specified torque.
N ∙ m (kg ∙ m/lb ∙ ft)
27 (2.8/20)
1) Fan Shroud
•
Install the fan shroud and reservoir tank hose.
• Pour coolant
• Start the engine and check coolant leakage.
2. Oil Pan Assembly
Above works refer to “OIL PUMP” Section in this manual.
1. Cylinder Head Assembly and Gasket
•
Piston Head Projection Measurement Point
•
Cylinder Head Assembly
•
Push Rod
•
Rocker Arm Shaft Assembly
Valve clearance adjustment.
Above works refer to “CYLINDER BLOCK” Section in this
manual.
6A-45-5.tif