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TM 10-3930-659-34
4-36.
TRANSMISSION PUMP FLOW TEST.
This Task Covers: Flow Test
Initial Setup:
Equipment Conditions:
Frame locking bar installed (see TM 10-3930-659-10).
Right side cab skirt removed (see TM 10-3930-659-20).
Right transmission side guard removed (see TM 10-
3930-659-20).
Transmission oil filter removed (see TM 10-3930-
659-20).
Personnel Required: Two
Tools/Test Equipment:
·General mechanic's tool kit (Item 71, Appendix E)
Filter adapter (Item 23, Appendix E)
Hydraulic flowmeter (Item 24, Appendix E)
References:
TM 10-3930-659-10
TM 10-3930-659-20
FLOW TEST
1.
Install filter adapter (2) in transmission oil filter
housing (1).
2.
Install hydraulic flowmeter inlet hose (3) on top of
filter adapter (2).
3.
Install hydraulic flowmeter outlet hose (6) on
front of filter adapter (2).
4.
Check that loading valve (5) is in full OPEN
position.
5.
Start forklift truck and run until transmission oil
temperature gage indicates that transmission
fluid is warm (see TM 10-3930-659-10).
6.
Move direction selector lever to N (Neutral) and
run engine at fast engine idle speed (see TM 10-
3930-659-10).
Note
reading
on
hydraulic
flowmeter (4). Minimum allowable flow rate is 9.5
gpm (36 Ipm). If reading is not within
specification, replace transmission assembly
(see paragraph 4-40).
4-149
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