TH220B, TH330B and TH340B Telehandlers Machine Systems Caterpillar


Boom Cylinder

Usage:

TH220B SLA



Illustration 1g01174014

Cylinder stroke ... 1042 mm (41.0 inch)

(1) Torque setting for self-locking nut ... 3000 ± 100 N·m (2213 ± 74 lb ft)

Lubricate the threads of the self-locking nut with clean grease.

(2A) Diameter of piston ... 99.55 ± 0.03 mm (3.919 ± 0.001 inch)

(2B) Bore of piston ... 44.465 ± 0.025 mm (1.7506 ± 0.0010 inch)

(3) Bore of cylinder ... 100 ± 0.08 mm (3.937 ± 0.003 inch)

(4) Diameter of piston rod ... 69.950 ± 0.038 mm (2.7539 ± 0.0015 inch)

(5) Bore of head ... 70.33 ± 0.03 mm (2.7689 ± 0.0012 inch)

(6) Torque setting for the head ... 600 ± 130 N·m (440 ± 95 lb ft)

Lubricate the threads of the head with clean grease.

Apply sealant to wiper seal groove (7) prior to assembly.

Note: Lubricate all of the seals with clean lubricant that is being sealed.

(8) 216-8560 Sleeve Bearing

Diameter ... 73.165 ± 0.025 mm (2.8805 ± 0.0010 inch)
Bore ... 60.315 ± 0.025 mm (2.3746 ± 0.0010 inch)

(9) 193-3865 Bearing

Diameter ... 89.9925 ± 0.0075 mm (3.5430 ± 0.0003 inch)
Bore ... 59.9925 ± 0.0075 mm (2.3619 ± 0.0003 inch)

Note: Secure the bearing with 185-3994 Bearing Mount Compound.

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