Isuzu AA-6HK1T, Workshop Manual

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ENGINE LUBRICATION 6G–5
Disassembly
1. Remove the driven gear and shaft.
2. Remove the cottter pin.
3. Remove the oil relief valve.
4. Remove the oil pump drive gear.
Use a gear puller to remove the oil pump drive gear.
Inspection and Repair
Make the necessary adjustments, repairs, and part
replacements if excessive wear of damage is discovered
during inspection.
1. Use a feeler gauge to measure the clearance
between the gear teeth and the body inner wall.
If the clearance between the gear teeth and the body
inner wall exceeds the specified limit, the gears
and/or the body must be replaced.
Gear Teeth and Cover Inner Wall Clearance
Standard: 0.125 – 0.221 mm (0.0049 – 0.0087 in)
Limit: 0.221 mm (0.0087 in)
051EY00014
051EY00020
051EY00021
051EY00018