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TEST HOOK UP NO. 1
Traction Pump Flow
Traction Relief Setting
TESTER CONNECTION:
Tester in series between traction pump outlet line and valve bank port on No. 4 section of
valve bank.
(Tester Flow Control Valve Open)
CAUTION: Keep everyone away from the front of the machine during traction
system tests. Operator must be on seat or the safety interlock will stop the
engine when the traction lever is engaged.
TEST A: TRACTION PUMP FLOW
PROCEDURE
Traction lever in neutral.
Engine RPM 2800 RPM.
Hydraulic oil at operating temperature.
While watching flow and pressure gauges, slowly close flow control valve until 1000 PSI
is obtained.
TESTER READINGS
Flow not lower than 5 GPM at 1000 PSI.
Record pressure and flow readings.
If flow is lower than 5 GPM or a pressure of 1000 PSI cannot be obtained, check for
restriction in pump intake line. If not restricted, remove pump and repair as necessary.
TESTER
Testing Page 4 - 28 Greensmaster
®
3100