Lubricating System - wsm M6040 Workshop Manual

M6040, M7040, WSM

(2) Lubricating System

Engine Oil Pressure
1. Remove the oil switch and set a pressure tester (Code No.
07916-32032).
2. Start the engine. After warming up, measure the oil pressure of
both idling and rated speeds.
3. If the oil pressure is less than the allowable limit, check the
following.
• Engine oil insufficient
• Oil pump defective
• Oil strainer clogged
• Oil filter cartridge clogged
• Oil gallery clogged
• Excessive oil clearance
• Foreign matter in the relief valve
(When reassembling)
• After checking the engine oil pressure, tighten the engine oil
pressure switch to the specified torque.
At idle
speed
Engine oil pressure
At rated
speed
Tightening torque Oil switch taper screw
1-S15
ENGINE
50 kPa
Allowable
2
0.5 kgf/cm
limit
7.1 psi
Factory 197 to 392 kPa
specifica- 2.00 to 4.00 kgf/cm
tion 28.5 to 56.8 psi
147.1 kPa
Allowable
2
1.50 kgf/cm
limit
21.3 psi
15 to 19 N·m
1.5 to 2.0 kgf·m
11 to 14 lbf·ft
9Y1210143ENS0006US0
KiSC issued 07, 2012 A
2