PUMP GP-GEAR 3689198 - Caterpillar

Removal Procedure for the PTO (If Equipped)
Start By:
Remove the V-belts for the PTO. Each application may be different. Refer to the OEM of the driven equipment for the removal procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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Remove allen head screws (3) from taper lock (2). Remove taper lock (2) from pulley (1). Remove the pulley.
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Remove bolts (5) that hold PTO shaft (4) onto the vibration damper. Remove the PTO shaft.Removal Procedure for the Crankshaft Pulley
Start By:
Remove the V-Belts. Refer to Disassembly and Assembly, "V-Belts - Remove and Install".
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Remove two bolts (1) that secure engine turning device (2) to crankshaft pulley (3) .
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Remove three bolts (4) that secure the thrust block (5) to the crankshaft. Remove the thrust block.
Remove the crankshaft pulley (3) from the engine.Installation Procedure
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Install crankshaft pulley (3) onto the engine.
Lubricate bolts (4) with clean engine oil.
Install thrust block (5) and three bolts (4). Tighten the bolts gradually and tighten the bolts evenly to a torque of 115 N m (85 lb ft).
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Install the engine turning device (2) with two bolts (1) .
Tighten the bolts (1) to a torque of 75 N m (55 lb ft).End By: Install the V-Belts. Refer to Disassembly and Assembly, "V-Belts - Remove and Install".Installation Procedure for the PTO (If Equipped)
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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Install PTO shaft (4) onto the front face of the vibration damper.
Tighten bolts (5) for the PTO shaft and the vibration damper to a torque of 130 N m (96 lb ft).
Loosen bolts (5) for the PTO shaft and the vibration damper.
Again tighten bolts (5) to a torque of 130 N m (96 lb ft).
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Clean the mounting face of pulley (1). Clean taper lock (2) .
Install taper lock (2) into pulley (1).
Install pulley (1) for the PTO onto PTO shaft (4). Align the key (if equipped) and fully seat the key.
Lightly oil allen head screws (3) before installation. Install allen head screws (3) .
Tighten allen head screws (3) in an star pattern.
Ensure that taper lock (2) is seated square. Hammer around the large end of the taper lock by using a drift pin and a hammer.
Finally tighten allen head screws (3) to a torque of 30 N m (22 lb ft).End By: Install the V-belts for the PTO. Each application may be different. Refer to the OEM of the driven equipment for the installation procedure.