VEE BELT SET 4N6999 - Caterpillar

Remove four bolts (21) from cover (22) .
Remove the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Remove and Install".
Illustration 16 g01197215
Typical example
Position Tooling (C) on a wood block. Use Tooling (C) and a suitable extension bar to remove pin (23) .
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Connect an external oil supply to parking brake hose assembly (24) for the front frame. Disengage the parking brake by applying an oil pressure of 3170 170 kPa (460 25 psi) to parking brake hose assembly (24) .
Use the lift truck and the hoist to separate the front frame from the rear frame.
Illustration 18 g01088134
Use wood blocks to stabilize the front frame after the separation is complete.
Release the oil pressure in parking brake hose assembly (24) .
Illustration 19 g01197217
Illustration 20 g01104425
Typical example
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Typical example
Use Tooling (D) to remove collar (25) and bearing sleeve (26) .
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Note: Mark the radial position of upper cap (28) and of lower cap (29) for assembly purposes.
Remove six bolts (27), upper cap (28), lower cap (29) and shim pack (30) from the upper hitch assembly.
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Remove lip seals (31) from upper cap (28) and lower cap (29) .
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Typical example
Use Tooling (E) to remove the bearing cups and the bearing cones from the upper hitch.
Illustration 25 g01197220
Typical example
Remove spacer (32) from the lower hitch.
Illustration 26 g01197221
Typical exampleNote: Mark the radial position of upper cap (33) and of lower cap (35) for assembly purposes.
Remove 10 bolts (34), upper cap (33), lower cap (35) and shim pack (36) from the lower hitch assembly.
Illustration 27 g01197222
Remove lip seal (37) from upper cap (33) and lower cap (35) .
Illustration 28 g01088530
Typical example
Use Tooling (F) to remove the bearing cups and the bearing cones from the lower hitch.