Manitowoc Grove GRT9165 Service Manual

UNDERCARRIAGE GRT9165 SERVICE MANUAL
8-24
Published 10-01-2020 Control # 699-00
8. Outrigger system will not
activate (from stowed or
extended and down
position).
a. Hydraulic oil low. a. Check system for leaks. Make
repairs as needed. Fill reservoir.
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.
9. Outrigger system activates,
but selected outrigger will
not stow or extend and
lower as desired.
a. Clogged, broken, or loose
hydraulic lines or fittings.
a. Clean, tighten, or replace lines or
fittings.
b. Loose or broken wire on
control switch or solenoid
valve.
b. Repair or replace wiring.
c. Damaged solenoid valve. c. Repair or replace valve.
d. Damaged control switch. d. Replace switch.
e. Damaged hydraulic cylinder. e. Repair or replace cylinder.
10. Outriggers will not set. a. Improper sequence of
activation.
a. Activate individual control switch;
then activate system control switch.
11. Two outriggers activate
from single control switch
a. Damaged solenoid valves. a. Repair or replace.
12. The two outriggers will not
stow.
a. Hydraulic lock. a. Recycle individual outrigger(s).
13. Individual outrigger will not
set or stow.
a. Damaged piston seals. a. Replace seals.
b. Damaged check valve. b. Repair or replace valve.
c. Loosen or broken wire on
control switch or solenoid
valve.
c. Repair or replace wiring.
d. Damaged solenoid valve. d. Repair or replace valve.
Symptom Probable Cause Solution

Manitowoc Grove GRT9165 Specifications

General

Brand	Manitowoc
Model	Grove GRT9165
Category	Construction Equipment
Language	English