49
1
1921 Slauson
A
ve. Santa Fe Springs, CA. 90670 (800) 227-41
16 F
AX (888) 771-7713
PLATFORM WILL NOT LOWER
4.
At “DOWN” valve on top of pump, check if
coil was 12 volts when “DOWN” switch is
activated.If voltage is low, recharge battery.
If no voltage is at coil, check connections on
black wire and switch. If switch is defective,
replace switch. Check battery, recharge or
replace.
5.
To check “DOWN” valve coil, hold screw
driver 1/8” from nut at end of coil
(FIG.
49-1)
. Activate switch, if screw driver is
drawn to nut - coil is good. If not, coil must
be replaced.
6.
The small plunger inside the valve may be
stuck. Remove coil, and “DOWN” valve, in-
sert a small rod inside the valve
(FIG. 49-2)
.
Plunger should move 1/8” inch. If plunger is
stuck, wash in solvent. If plunger remains
stuck, replace valve.
VALVE
CARTRIDGE
SCREWDRIVER
NUT
1/8”
CHECKING VALVE
FIG. 49-2
CHECKING SOLENOID WITH
SCREWDRIVER
FIG. 49-1
