INSULATION 2488930 - Caterpillar

Illustration 1 g02408616 (1) 348-3754 Service and Parking Brake Gp
Illustration 2 g02408779
Section A-A
(2) Assembled brake packThickness of 12 new discs, 12 new plates, and one new damper assembly ... 96.78 2.83 mm (3.810 0.111 inch)Thickness of one new 8E-2183 Friction Disc ... 5.08 0.13 mm (0.2000 0.0051 inch)Thickness of one new 8X-4437 Plate ... 2.413 0.064 mm (0.0950 0.0025 inch)Thickness of one new 247-8269 Damper ... 6.86 0.24 mm (0.270 0.009 inch)Note: Install the damper assembly so that the facing material faces toward the plate and the piston.Note: At assembly, lubricate the friction discs with the oil that is used in the brakes. See the Operation and Maintenance Manual, "Lubricant Viscosities"
for that information. (3) 9D-6135 Spring (Inner)Quantity ... 32Test length ... 90.50 mm (3.56 inch)Test force ... 1535 44 N (345 10 lb)Free length after test ... 115.49 mm (4.55 inch)Outside diameter ... 26.59 mm (1.05 inch) (4) 9D-6093 Spring (Outer)Quantity ... 36Test length ... 90.5 mm (3.56 inch)Test force ... 4235 254 N (952 57 lb)Free length after test ... 116.5 mm (4.59 inch)Outside diameter ... 46.02 mm (1.81 inch)
Illustration 3 g02408919
View B-B
(3) 9D-6135 Spring (Inner)
(4) 9D-6093 Spring (Outer)
(5) 9D-9118 Spring Guide
(6) 6E-1299 Spring (5) 9D-9118 Spring Guide (6) 6E-1299 SpringQuantity ... 4Test length ... 70 mm (2.8 inch)Test force ... 374 30 N (84.1 6.7 lb)Free length after test ... 85.4 mm (3.36 inch)Outside diameter ... 25 mm (1.0 inch)
Illustration 4 g02408837 (7) Torque for five taperlock studs ... 65 10 N m (50.0 7.0 lb ft) (8) Torque for five nuts ... 100 N m (75 lb ft) (9) Torque for four taperlock studs ... 65 10 N m (50.0 7.0 lb ft)Use the following procedure in order to tighten four nuts (10) and eight bolts (11).
Tighten four nuts (10) in a crisscross pattern to a torque of 100 N m (75 lb ft). Ensure that the piston housing is seated against the anchor.
Tighten eight bolts (11) in a crisscross pattern to a torque of 100 N m (75 lb ft).
Again tighten four nuts (10) in a crisscross pattern to a torque of 100 20 N m (75 15 lb ft).
Again tighten eight bolts (11) in a crisscross pattern to a torque of 100 20 N m (75 15 lb ft).