Isuzu AA-6HK1T, Workshop Manual

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GENERAL INFORMATION 0A–15
ITEMS SERVICE STANDARD SERVICE LIMIT
Idler Gear
Idler Gear Shaft A
Outside Diameter
mm (in) 49.950 – 49.975 49.90 (1.9646)
(1.9665 – 1.9675)
Idler Gear Shaft B and C
Outside Diameter
mm (in) 29.959 – 29.980 29.9
(1.1795 – 1.1803) (1.1772)
Idler Gear Shaft A and
Idler Gear Clearance
mm (in) 0.025 – 0.075
(0.00098 – 0.00295)
Idler Gear Shaft B and C and
Idler Gear Clearance
mm (in) 0.020 – 0.062 0.20
(0.0008 – 0.0024) (0.008)
Idler Gear Backlash mm (in) 0.10 – 0.17 0.30
(0.0039 – 0.0067) (0.012)
Idler Gear End Play
Gear A and B mm (in) 0.08 – 0.140 0.20
(0.00315 – 0.0052) (0.008)
Gear C mm (in) 0.07 – 0.135 0.20
(0.0027 – 0.0053) (0.008)
Oil Pump
Gear Teeth and Cover
Inner Wall Clearance
mm (in) 0.125 – 0.221 0.221
(0.0049 – 0.0087) (0.0087)
Gear and Body Clearance mm (in) 0.064 – 0.109 0.109
(0.0025 – 0.0043) (0.0043)
Gear Shaft Outside Diameter mm (in) 15.989 – 16.000 15.9
(0.6295 – 0.6299) (0.626)
Gear Shaft and Pump Body or
Bushing Clearance
mm (in) 0.04 – 0.07 0.7
(0.0016 – 0.0028) (0.0028)
Drive Gear and Drive Gear
Shaft Interference
mm (in) 0.015 – 0.044
(0.0006 – 0.0017)
Cylinder Block
Cylinder Block Upper Face Warpage
mm (in) 0.05 (0.002) or less 0.20 (0.008)
Cylinder Liner Projection mm (in) 0.06 – 0.10 —
(0.0024 – 0.0039)
Cylinder Block Bore and
Cylinder Liner Outside
Diameter Clearance
mm (in) 0.001 – 0.029 —
(0.00004 – 0.0011)
Cylinder Liner Grade (Reference)
See Section 6A (Cylinder liner
grade selection & Clearance)
in this manual.