1
1921 Slauson
A
ve. Santa Fe Springs, CA. 90670 (800) 227-41
16 F
AX (888) 771-7713
15
CHANGING HYDRAULIC FLUID
3.
Disconnect the white wire
(FIG. 15-2)
from starter
solenoid. Lower the platform while draining the
remaining hydraulic
fl
uid from system. Reinstall
drain plug. Reconnect the white wire to starter
solenoid.
2.
Open and raise platform to vehicle bed height.
Pull out (no threads) drain plug
(FIG. 15-1)
. Drain
hydraulic
fl
uid.
CAUTION
Keep dirt, water and other contaminants from entering the hydraulic system.
Before opening the hydraulic fl uid reservoir fi ller cap, drain plug and hydrau-
lic lines, clean up contaminants that can get in the openings. Also, protect the
openings from accidental contamination.
POWER DOWN LIFTGATES
1.
Remove the pump cover
(FIG. 13-1)
. Place empty
5 gallon bucket under drain plug
(FIG. 15-1)
.
4.
Pull out (no threads)
fi
ller cap
(FIG. 15-1)
and
re
fi
ll reservoir with hydraulic
fl
uid to level shown
in
FIG. 15-1
. Reinstall
fi
ller cap
(FIG. 15-1)
.
1
.
Remove the pump cover
(FIG. 13-1)
. Place empty
5 gallon bucket under drain plug
(FIG. 15-1)
.
GRAVITY DOWN LIFTGATES
2.
Lower platform to ground.
Pull out (no
threads) drain plug
(FIG. 15-1)
. Drain hydrau-
lic
fl
uid from system. Reinstall drain plug.
3.
Pull out (no threads)
fi
ller cap
(FIG. 15-1)
and re
fi
ll reservoir with hydraulic
fl
uid to
level shown in
FIG. 15-1
. Reinstall
fi
ller
cap
(FIG. 15-1)
.
4.
Bolt on the pump cover as shown in
FIG. 16-1
Torque the bolts (cap screws) to
10-14 lb-in
.
LIFTGATE SHOWN WITH GRAVITY
DOWN PUMP & MOTOR
FIG. 15-1
DRAIN
PLUG
POWER DOWN PUMP
FIG. 15-2
STARTER
SOLENOID
WHITE
WIRE
+50 to +120 Degrees F - Grade ISO 32
Below + 70 Degrees F - Grade ISO 15 or MIL-H-5606
NOTE:
Liftgate is shipped with
ISO 32
oil. Use correct oil for climate conditions.
See
TABLES 14-1 & 14-2
for recommended brands of
ISO 32
&
ISO 15
oils.
FILLER CAP
RESERVOIR
1-7/8” - 2-3/8” (GD)
2-5/8” - 3-1/8” (PD)