1
1
9
2
1
S
la
u
so
n
A
v
e.
S
an
ta
F
e
S
p
ri
n
g
s,
C
A
.
9
0
6
7
0
(8
0
0
)
2
2
7
-4
1
1
6
F
A
X
(
8
8
8
)
7
7
1
-7
7
1
3
35
To prevent damage to fl ow control valve, do not disassemble the valve.
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 during maintenance.
CAUTION
CAUTION
FLOW CONTROL VALVE ON RH CYLINDER
FIG. 35-1
FLOW
CONTROL
VALVE
4.
Make sure platform is on the ground. Check
the RH fl ow control valve as follows. Remove
fl ow control valve
(FIG. 35-1)
. Ensure the fl ow
control valve operates with a smooth spring-
loaded action. Check for debris inside the
valve. Clean or replace the fl ow control valve,
if necessary. Reinstall fl ow control valve (if
good) or a replacement. Do the same for the
LH fl ow control valve.
RH CYLINDER
CHECKING SOLENOID VALVE
FIG. 35-2
VALVE
CARTRIDGE
1/8”
5.
Check the lowering solenoid valve as follows.
Check if fi ltering screen is plugged. Clean
carefully if required. Push on the plunger in
the valve by inserting small screwdriver in the
open end
(FIG. 35-2)
. If the plunger does not
move with a smooth, spring-loaded action (ap-
proximately 1/8”), replace the valve cartridge.
Reinstall lowering solenoid valve
(if good) or
a replacement
. Torque valve cartridge to 30
lbs.-ft. and hex nut to 30 lbs.-in.
Summary of Contents for RA-35
Page 1: ...M 13 03 REV C MAY 2016 MAXON Lift Corp 2016 MAINTENANCE MANUAL RA 35 RA 45 ...
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