Manitowoc Grove GRT8100 Service Manual

HYDRAULIC SYSTEM GRT8100 SERVICE MANUAL
2-20
Published 3/26/2018, Control # 596-05
Maintenance
No. 1 and No. 2 Pump Removal
1. Gain access to the pump. Pump No. 1 is bolted to the left
side of the engine’s torque converter and pump No. 2 is
on the right.
2. Tag and disconnect the supply and distribution lines,
load sense line, and case drain line from the pump. Cap
or plug the lines and ports.
3. Remove capscrews and washers attaching pump to
torque converter drive pad. Remove pump.
4. Clean gasket material from drive pad and pump.
5. Cover drive pad opening to prevent contamination.
No. 1 and No. 2 Pump Installation
1. Clean drive pad and pump with Loctite® cleaning
solvent 7070 or similar non chlorinated solvent.
2. Apply a light coating of Loctite® primer N7649 to drive
pad and pump mounting surfaces. Allow primer to dry for
one to two minutes. Primer must be dry. Mating of parts
should occur within five minutes.
3. Apply gasket material Loctite® Master Gasket 518 to
drive pad and pump mounting surfaces.
4. Install pump and gasket on torque converter drive pad
with capscrews and washers. Make sure the splines
mesh properly. Torque capscrews; refer to Fasteners
and Torque Values, page 1-15 for proper torque value.
5. Connect the distribution and supply lines, load sense
line, and drain line to the pump as tagged during
removal. Install new O-rings on the flange halves.
6. Prime the pump. Refer to Priming the Hydraulic Piston
Pump, page 2-20.
No. 3 Pump Removal
1. Gain access to the pump, which is bolted to the engine.
2. Tag and disconnect the suction and supply lines from the
pump. Cap or plug the lines and ports.
3. Remove capscrews and washers attaching pump to
flywheel housing. Remove pump.
4. Clean gasket material from drive pad and pump.
5. Cover the drive pad opening to prevent dirt from
entering.
No. 3 Pump Installation
1. Clean drive pad and pump with Loctite® cleaning
solvent 7070 or similar non chlorinated solvent.
2. Apply a light coating of Loctite® primer N7649 to drive
pad and pump mounting surfaces. Allow primer to dry for
one to two minutes. Primer must be dry. Mating of parts
should occur within five minutes.
3. Apply gasket material Loctite® Master Gasket 518 to
drive pad and pump mounting surfaces.
4. Install pump and gasket on back of flywheel housing
with capscrews and washers. Make sure the splines
mesh properly. Torque capscrews; refer to Fasteners
and Torque Values, page 1-15 for proper torque value.
5. Connect the pressure and supply lines to the pump as
tagged during removal. Install new O-rings on the flange
halves.
6. Prime the pump. Refer to Priming/Starting-Up the
Hydraulic Gear Pump, page 2-21.
Priming the Hydraulic Piston Pump
CAUTION
Absolute cleanliness is essential when working on the
hydraulic pumps. Always work in a clean area. The
presence of dirt and foreign materials in the system can
result in serious damage or inadequate operation.
CAUTION
Keep pump as level as possible to avoid damaging the
input spline.
CAUTION
Absolute cleanliness is essential when working on the
hydraulic pumps. Always work in a clean area. The
presence of dirt and foreign materials in the system can
result in serious damage or inadequate operation.
CAUTION
Keep pump as level as possible to avoid damaging the
input spline.
CAUTION
Failure to follow this procedure can cause the pump to
fail.

Manitowoc Grove GRT8100 Specifications

General

Brand	Manitowoc
Model	Grove GRT8100
Category	Construction Equipment
Language	English