Manitowoc Grove TMS700E User Manual

Grove Published 01-29-2015, Control # 512-01 8-13
TMS700E SERVICE MANUAL UNDERCARRIAGE
8
7. Lubricating oil discolored or smells
bad.
a. Operating temperatures too
high.
a. Check and correct cause of
overheating.
b. Change intervals too long. b. Change oil more often.
c. Incorrect lubricant used. c. Drain, flush, and refill with
recommended lubricant.
8. High operating temperatures. a. Oil flow restriction. a. Check back pressure.
b. Oil flow too high. b. Check maximum oil flow.
9. Excessive pump pressure with
steering gear in neutral.
a. Pinched oil return line, high
back pressure.
a. Relocate line.
b. Binding steering column. b. Repair steering column.
10. Wheel turning restricted. a. Relief plungers not adjusted
properly.
a. Adjust relief plungers.
11. Erratic steering or mechanical
steering only.
a. Insufficient volume of oil. a. Refer to pump servicing
instructions.
b. Sticking pressure relief valve
in steering gear.
b. Repair or replace relief valve
as required.
12. Hard steering. a. Faulty supply pump. a. Check pump flow.
b. Steering out of alignment. b. Align front end.
c. High operating temperature. c. Locate and correct cause of
overheating.
13. Wheel turns hard in one or both
directions.
a. Dirt or foreign matter trapped
in piston relief.
a. Check pressure relief.
b. Bent or damaged king pins
and tie rods.
b. Repair or replace king pins
and tie rods.
c. Front end load too great. c. Lighten load.
d. Low oil level in steering
system.
d. Fill oil reserve as required.
14. Wheel turns hard in one or both
directions.
a. Ai
r in
system. a. Bleed system and check for
cause of air.
b. Caster degree incorrect. b. Correct to specified degree.
15. Wheel turns hard in one direction. a. Metal or foreign material in
relief ball seat in piston of
steering gear.
a. Remove and clean relief valve
seats or replace damaged
parts.
16. No attempt to return straight
ahead from turns/should also be
hard steering complaint.
a. No positive caster. a. Set caster to specified
degree.
b. Steering column bind. b. Check and repair U-joints and
support bearings.
c. Steering gear mounting
distorted.
c. Shim mounting pads to
correct piston to bore
interference. Make sure
correct bolt length is used on
the base mount gears.
d. Linkage ball sockets seized or
binding.
d. Check and repair or replace.
Symptom Probable Cause Solution
Reference Only

Manitowoc Grove TMS700E Specifications

General

Brand	Manitowoc
Model	Grove TMS700E
Category	Construction Equipment
Language	English