Maxon MXT-25, Maintenance Manual

Page: 59 / 61

1
1921 Slauson
A
ve. Santa Fe Springs, CA. 90670 (800) 227-41
16 F
AX (888) 771-7713
59
CAUTION
CHECKING 2750 PSI RELIEF VALVE
(GRAVITY DOWN POWER UNIT)
FIG. 59-1
RELIEF
VALVE
ADJUSTMENT
COVER
FIG. 59-1A
CHECKING 2750 PSI RELIEF VALVE
(POWER DOWN POWER UNIT)
FIG. 59-2
RELIEF
VALVE
ADJUSTMENT
COVER
FIG. 59-2A
3.
With platform on the ground, remove cover for access to relief
valve
(FIGS. 59-1, 59-1A, 59-2 and 59-2A)
. Hold the control
switch in the “
RAISE
” position. Adjust the relief valve until the
gauge reads 2750 PSI
(FIGS. 59-1, 59-1A, 59-2 and 59-2A)
.
Check if pump relief valve is dirty. Clean or replace relief valve,
if necessary. Remove gauge and reinstall plug in the port.
Then, reinstall relief valve cover.
RESERVOIR
(PUMP OIL FILTER INSIDE)
RESERVOIR
(PUMP OIL FILTER INSIDE)