Manitowoc Grove RT765E-2 Service And Maintenance Manual

8-21
RT765E-2 SERVICE MANUAL UNDERCARRIAGE
8
Published 9-04-2014, Control # 422-08
GROVE
3. Install a new dust seal in the top groove of the bore.
Refer to Figure 8-24.
4. Install the pistons in the housing. Push the pistons in
from the lining side of the housing. Ensure the pistons
are straight in the bores. Push each piston into the bore
until the top of the piston is even with the top of the dust
seal. Refer to Figure 8-25.
5. Install a new O-ring in the groove of the cylinder cap.
Ensure the O-ring is not cut by the threads on the
cylinder cap.
NOTE: Apply extra grease on O-ring before installing
cylinder caps. this will keep O-ring from catching on
threads as cylinder cap is threaded into housing.
6. Install the cylinder caps in the caliper housing. Tighten
the cylinder caps to 75 lb-ft (102 Nm) minimum as shown
in Figure 8-26.
7. Install the bleeder screws in the housing. Tighten to 100
to 120 lb-in (11.3 to 13.6 Nm).
8. Install the O-ring and the inlet fitting in the cylinder cap.
Installation
Linings
1. Block the wheels.
2. Install the linings in the caliper housing.
3. Apply Loctite 271 or equivalent to the bolt threads.
Position the end plates on the housing and secure with
bolts. Tighten the bolts to 165 to 210 lb-ft (224 to
285 Nm).
4. Ensure the linings move freely in the housing.
5. Bleed the brake system.
6. Apply and release the brakes three times to ensure the
caliper operates correctly. Check for fluid leaks. Ensure
the linings move freely.
Backup Ring
and O-Ring
Groove
Dust Seal
Groove
Backup Ring -
Install Toward Lining
Side of Bore O-Ring
O-Ring
Backup
Ring
Dust Seal
O-Ring-
Install Toward
Outboard End of Bore
FIGURE 8-24
Piston - - Use
Equal Pressure to
Push Pedal into Bore
When Correctly
Installed the End of the
Piston is Even with the
Top of the Dust Seal
FIGURE 8-25
CAUTION
Always replace both linings. If only one lining is replaced,
possible disc damage can occur.
Torque
Wrench
Cylinder Cap - -
Tighten to 100 Nm
(75 ft-lb) Minimum
1.25 Inch
Crow’s Foot
Wrench
FIGURE 8-26
Reference Only

Manitowoc Grove RT765E-2 Specifications

General

Brand	Manitowoc
Model	Grove RT765E-2
Category	Construction Equipment
Language	English