Service Repair Manual
Caterpillar Cat 236 SKID
Product: SKID STEER LOADER
Model: 236 SKID STEER LOADER 4YZ
Configuration: 236, 246, 248 Skid Steer Loader 4YZ00001-03999 (MACHINE) POWERED BY 3034 Engine
Disassembly and Assembly
3034 Engine for Caterpillar Built Machines
Media Number -SENR5013-08
Publication Date -01/11/2008
Date Updated -14/11/2008
Idler Gear - Remove and Install
SMCS - 1206
A. Remove the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install".
B. Remove the front cover. Refer to Disassembly and Assembly, "Housing (Front) - Remove".
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
236, 246, 248 Skid Steer Loader 4YZ00001-03999 (MACHINE) POWERED BY 3034...
Note: Rotate the crankshaft until the timing marks on the following gears are aligned:
crankshaft gear, camshaft gear, fuel injection pump gear and idler gear (1) .
1. Remove outer washer (3) from the idler gear shaft.
2. Use a suitable puller to remove idler gear (2) .
Note: Do not rotate the crankshaft once the idler gear has been removed. If the crankshaft is
rotated, the number 1 piston must be set to the top center position. Refer to Testing and
Adjusting, "Finding Top Center Position for No. 1 Piston".
3. Remove the inner was