Yanmar 3TNV88F, Руководство по обслуживанию

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LUBRICATION SYSTEM
3TNV88F Service Manual 9-7
Trochoid Oil Pump
Disassembly of Oil Pump
NOTICE
If the oil pump must be replaced, replace it as an
assembly only. Do not replace individual
components.
Remove the cooling water fan guard (if equipped),
cooling fan
(Figure 9-4, (3)) , spacer
(Figure 9-4, (2)) , cooling water pump V-pulley
(Figure 9-4, (1)) , and V-belt.
Figure 9-4
1. Remove the crank shaft pulley and gear case
cover. SeeRemoval of timing gear case cover
on page 6-34.
2. Remove the lubricating oil pump assembly
mounting bolts. Remove the lubricating oil
pump assembly
(Figure 9-5, (1)) from the gear
case flange (Figure 9-5, (2)) .
3. You can remove by hand the lubricating oil
pump cover (Figure 9-3, (5)) and outer rotor
(Figure 9-3, (4)) .
Figure 9-5
Cleaning and Inspection
Clean the lubricating oil pump, pressure regulator
valve
(Figure 9-3, (7)) , and rotor inserting portion.
Check the parts for wear or flaw. Replace the parts
with new ones as needed.
NOTICE
• Never overfill the engine with engine oil.
• Always keep the oil level between the upper and
lower lines on the oil cap/dipstick.
■
Check outer rotor outside clearance
Inspect the outside diameter clearance of the outer
rotor. To inspect this, insert a feeler gauge between
the outer rotor
(Figure 9-6, (1)) and the lubricating
oil pump body (Figure 9-6, (2)) .
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K0000163C
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