Pressure Relief Settings
DO NOT EXCEED ANY PRESSURE RELIEF SETTING LISTED OR DAMAGE WILL RESULT
TO THE MACHINE.
1) Dump Control Valve
Relief pressure setting should be 1500 +/-50 PSI. To adjust pressure:
1. Remove hex cap (item 1) covering pressure relief valve (beside valve spool).
2. With a 5/16” allen wrench, turn pressure adjusting screw (item 2) three turns counter
clockwise.
3. Disconnect hose (item 5) from elbow in Port “A”.
4. Connect pressure gauge with hose to elbow in Port “A”. Note male thread on elbow
is 7/8-14, 37º JIC.
5. Start engine, run engine at full speed.
6. Push dump lever forward (dump bucket until dump cylinder fully extends) and check
pressure.
7. Turn relief adjustment screw (item 2) clockwise to increase pressure, counterclockwise
to decrease pressure.
8. Replace hex cap, disconnect pressure gauge, reconnect hose (item 5).
9. Lubricate bucket dump valve spool.
A
B
TOP VIEW
17
PRESSURE ADJUSTMENT SCREW
1
5
3.4 - Pressure Setting
SECTION 3
SERVICE
055838 Page 54
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