Manitowoc Grove RT530E-2 Service And Maintenance Manual

BOOM RT530E-2 SERVICE MANUAL
4-24 Published 4-22-15, Control # 556-00
Removal And Installation
Removal and installation of the telescope cylinder from the
boom is described under disassembly and assembly of the
boom. Refer to BOOM MAINTENANCE in this Section.
Disassembly And Assembly
Disassembly and assembly procedures of the telescope
cylinder and control valve are provided in Section 2 under
CYLINDERS and VALVES respectively.
4. Telescope cylinder
will not retract.
a. Low hydraulic oil level. a. Replenish oil to proper level.
b. Relief valve damaged. b. Repair or replace relief valve.
c. Excessive load. c. Reduce load. (Refer to load chart).
d. Inoperative check valve. d. Replace check valve.
e. Clogged hose and fittings. e. Replace hose or fittings. (Refer to
Manitowoc Crane Care Parts Manual).
f. Broken valve spool. f. Replace valve section.
g. Broken piston(s). g. Replace piston(s) and all cylinder
seals.
h. Damaged piston seals. h. Replace all cylinder seals.
i. Bent boom section(s). i. Replace damaged boom section(s).
j. Broken hydraulic pump coupling. j. Replace broken hydraulic pump
coupling.
k. Worn or damaged hydraulic pump. k. Repair or replace pump.
l. Broken hydraulic pump shaft. l. Replace pump shaft.
SYMPTOM PROBABLE CAUSE SOLUTION
Reference Only

Manitowoc Grove RT530E-2 Specifications

General

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