Manitowoc Grove RT9130E-2 Service And Maintenance Manual page 304

UNDERCARRIAGE
3. Measure the diameter of the housing bore. Replace the
housing if the diameter is worn to more than 3.003 in
(76.276 mm) (Figure 8-15).
4. Inspect the linings as described previously.
5. Inspect the threads of the caliper, cylinder caps, and all
fittings. Replace any component that has thread
damage that cannot be repaired.
6. Discard all back-up rings, O-rings, and dust seals. Use
new ones when assembling the caliper.
Cleaning
Use of cleaning solvents, hot solution tanks, or alkaline
solutions incorrectly, can cause serious personal injury. To
prevent serious personal injury, follow the instructions
supplied by the manufacturer of these products. Do not
use gasoline to clean parts. Gasoline can explode and
cause serious personal injury.
CAUTION
Use only solvent cleaners to clean ground or polished
metal parts. Hot solution tanks or water and alkaline
solutions will damage these parts. Isopropyl alcohol,
kerosene, or diesel fuel can be used for this purpose.
• Use solvent cleaners to clean all metal parts that have
ground or polished surfaces. Examples of ground or
polished parts are the piston and the piston bore in the
caliper.
8-18
Replace
Housing If Bore
Is Worn To
More Than
3.003 In
(76.276 mm)
Telescoping
Gauge
FIGURE 8-15
WARNING
Published 11-22-2016, Control # 345-12
RT9130E-2 SERVICE MANUAL
• Metal parts with rough surfaces can be cleaned with
solvent cleaners or with weak alkaline solutions.
• Use a wire brush to clean the threads of fasteners and
fittings.
• Use soap and water to clean parts that are not made of
metal.
• Scrape away build-ups of mud and dirt on the linings.
Replace all linings contaminated with oil or grease.
• Immediately after cleaning, dry all parts with clean paper
towels or rags.
Corrosion Protection
Apply brake system fluid to the cleaned and dried parts that
are not damaged and are to be immediately assembled. Do
Not apply fluid to the brake linings or the disc.
If parts are to be stored, apply a special material that
prevents corrosion to all surfaces. Do Not apply the material
to the brake linings or the disc. Store the parts inside special
paper or other material that prevents corrosion.
Assembly
Caliper
Use only specified components when assembling the
calipers. Do not mix components from other calipers.
Installing the wrong components may cause the caliper
not to operate correctly and may cause damage to
equipment. Use of non manufacturer's parts can cause
damage, loss of braking, and serious personal injury.
NOTE: The O-rings, back-up rings, pistons, and bores
must be lubricated before installing the pistons.
1. Lubricate all pistons, bores, O-rings, and back-up rings
with silicone grease. If silicone grease is not available,
use the same type of fluid that is used in the brake
system.
2. Install new O-ring and a new back-up ring in the groove
in the middle of the bore. The O-ring is installed toward
the outboard end of the bore. The back-up ring is
installed toward the lining side of the bore. Refer to the
following figure.
CAUTION
Do not use silicone grease on the dust seal.
CAUTION