Kubota SM-E4B Series User Manual

ENGINE
SM-E4B SERIES, WSM
1-S16
(2) Lubricating System
Engine Oil Pressure
1. Remove the engine oil pressure switch, and set an oil 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.
9Y1210785ENS0007US0
Engine oil pressure
At idle
speed
Factory
specifica-
tion
More than
49 kPa
0.50 kgf/cm
2
7.1 psi
At rated
speed
Factory
specifica-
tion
197 to 441 kPa
2.00 to 4.50 kgf/cm
2
28.5 to 64.0 psi
Allowable
limit
147 kPa
1.50 kgf/cm
2
21.3 psi
Tightening torque Oil pressure switch
15 to 19 N·m
1.5 to 2.0 kgf·m
11 to 14 lbf·ft
KiSC issued 01, 2013 A

Kubota SM-E4B Series Specifications

General

Brand	Kubota
Model	SM-E4B Series
Category	Engine
Language	English