ENGINE
WG1605-G-E3,WG1605-L-E3,WG1605-GL-E3, WSM
1-S14
(2) Lubricating System
Engine Oil Pressure
1. Remove the engine oil pressure switch, and set an oil pressure
tester.
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 damaged
• 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.
9Y1210661ENS0008US0
(3) Cooling System
Fan Belt Tension
1. Measure the deflection (A), depressing the belt halfway
between the fan drive pulley and alternator pulley at specified
force 98 N (10 kgf, 22 lbf).
2. If the measurement is not within the factory specifications,
loosen the alternator mounting screws and relocate the
alternator to adjust.
9Y1210318GEG0001US0
Engine oil pressure
At idle
speed
Factory
specifica-
tion
49 kPa
0.50 kgf/cm
2
7.1 psi
At rated
speed
Factory
specifica-
tion
196 to 441 kPa
2.00 to 4.49 kgf/cm
2
28.5 to 63.9 psi
Allowable
limit
147 kPa
1.50 kgf/cm
2
21.3 psi
Tightening torque Oil pressure switch
14.7 to 19.6 N·m
1.50 to 1.99 kgf·m
10.9 to 14.4 lbf·ft
Deflection (A) Factory specification
7.0 to 9.0 mm
0.28 to 0.35 in.
(A) Deflection
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