Manitowoc Grove RT530E-2 Service And Maintenance Manual

Published 4-22-15, Control # 556-00 8-27
RT530E-2 SERVICE MANUAL UNDERCARRIAGE
GROVE
8
5. Outrigger jack cylinder slow or
erratic.
a. Low in hydraulic oil. a. Replenish oil to proper level.
b. Damaged main relief valve. b. Repair or replace valve.
c. Damaged holding valve seals. c. Replace holding valve seals.
d. Bent cylinder rod. d. Replace cylinder rod and
seals.
e. Bent outrigger housing. e. Repair or replace outrigger
housing.
f. Excessive material on beams. f. Clean outrigger beams.
g. Sticking solenoid valve spool. g. Repair or replace valve spool.
h. Damaged wiring to solenoid. h. Repair or replace wiring.
i. Weak brush springs on
collector rings.
i. Replace brush springs.
j. Collector ring dirty or glazed. j. Clean or deglaze collector
ring.
k. Directional selector switch
sticking.
k. Clean or replace switch.
l. Main hydraulic pump
cavitation.
l. Replace or tighten hose and
fittings.
m. Worn or damaged hydraulic
pump section.
m. Repair or replace pump
section.
6. Outrigger jack cylinder retracts
under load.
a. Damaged piston seals. a. Replace all cylinder seals.
b. Damaged holding valve seals. b. Replace seals.
c. Damaged holding valve. c. Replace valve assembly.
d. Scored cylinder barrel. d. Repair or replace cylinder.
e. Cracked or damaged piston. e. Replace piston and all
cylinder seals.
7. Outrigger jack cylinder extends
while machine is traveling.
a. Damaged piston seals. a. Replace all cylinder seals.
b. Scored cylinder barrel. b. Replace jack cylinder.
c. Cracked or damaged piston. c. Replace piston
and seals.
d. Piston loose
on cylinder rod. d. Replace seal and retorque.
8. Outrigger system will not activate
(from stowed or extended and
down position).
a. Hydraulic oil low. a. Replenish system.
b. Loose or broken wire on
switch.
b. Repair or replace wiring.
c. Clogged, broken, or loose
lines or fittings.
c. Clean, tighten, or replace
lines or fittings.
d. Damaged relief valve or
damaged control valve.
d. Repair or replace valve.
Symptom Probable Cause Solution
Reference Only

Manitowoc Grove RT530E-2 Specifications

General

Brand	Manitowoc
Model	Grove RT530E-2
Category	Construction Equipment
Language	English