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PRINTED IN U.S.A.
601-15
913241/BP0508
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Template Name: OML_2_col
0-00000
Template Date: 1994_04_22
RS5/6-34 Telescopic Handler
HYDRAULICS
HYDRAULIC SYSTEM TESTING
PUMP PRESSURE TEST
NOTE:
Before performing any hydraulic test, check
for any visible leaks or component damage. Repair
or replace the leaking component before proceeding
with the tests.
NOTE:
Before conducting any test port pressure
checks, check the engine RPM. Engine speed must
be 800 RPM at idle and 2500 to 2550 RPM at high
idle. Pressure settings for relief valves are pre-set at
the factory. Three test ports are provided under the
front hood access cover.
STEP 1
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Install a 5000 psi (345 bar) pressure gauge to the MP
test port on the flow divider. Start the engine and fully
retract the boom and hold. The pressure gauge
should read 3000 psi (207 bar).
STEP 2
Shut off the engine. If the pressure is less than 3000
psi (207 bar) remove and bench test the hydraulic
pump.
If the pressure is 3000 psi (207 bar) continue with the
next step.
STEP 3
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Remove the pressure gauge from the MP test port
(1) and install on the SP test port (2) on the flow
divider.
STEP 4
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Start the engine and cramp the steering fully to the
right of left. The pressure gauge should read 2000
psi (138 bar).
STEP 5
Shut the engine off. If the pressure is less than 2000
psi (138 bar) remove and bench test the hydraulic
pump.
Remove the pressure gauge.
2
1
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