Repair Instructions; Engine Oil And Filter Replacement; Oil Sump Filter Removal And Installation; Oil Sump Filter Cleaning - Suzuki AN400 Service Manual

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1E-4 Engine Lubrication System:
High oil pressure
• Engine oil viscosity is too
high
• Clogged oil passage
• Combination of the
above items
5) Stop the engine and remove the oil pressure gauge
and attachment.

Engine Oil and Filter Replacement

Refer to "Engine Oil and Filter Change in Section 0B
(Page0B-9)".

Oil Sump Filter Removal and Installation

Removal
1) Dismount the engine. Refer to "Engine Assembly
Removal and Installation in Section 1D (Page1D-6)".
2) Separate the crankcase. Refer to "Engine Bottom
Side Disassembly in Section 1D (Page1D-37)".
3) Remove the oil sump filter from the left crankcase.
Refer to "Engine Bottom Side Disassembly in
Section 1D (Page1D-37)".
Installation
Install the oil sump filter in the reverse order of removal.
Pay attention to the following points:
• Install the oil sump filter (1).
CAUTION
!
• The lip "A" of the oil sump filter should be
positioned downward.
• The shorter side "B" of the oil sump filter
should be positioned inside.
"B"
"A"
Low oil pressure
• Clogged oil filter
• Oil leakage from the oil
passage
• Damaged O-ring
• Defective oil pump
• Combination of the
above items

Repair Instructions

B705H11506022
B705H11506008
1
I705H1150003-01
6) Reinstall the main oil gallery plug and tighten it to the
specified torque.
CAUTION
!
Use a new gasket to prevent oil leakage.
Tightening torque
Main oil gallery plug: 16 N·m (1.6 kgf-m, 11.5 lb-
ft)
7) Check the engine oil level. Refer to "Engine Oil and
Filter Change in Section 0B (Page0B-9)".
"B"
"A": Lip

Oil Sump Filter Cleaning

Clean the oil sump filter in the following procedures:
1) Remove the oil sump filter. Refer to "Oil Sump Filter
Removal and Installation (Page1E-4)".
2) Clean the oil sump filter using compressed air.
3) Install the oil sump filter. Refer to "Oil Sump Filter
Removal and Installation (Page1E-4)"
Downside
"A"
I705H1150004-01
"B": Shorter side
B705H11506009
I705H1150005-01

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