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General| Manufacturer | Allis-Chalmers |
|---|---|
| Model | CA |
| Production Years | 1950-1958 |
| Engine Displacement | 125 ci [2.0 L] |
| Transmission | 4-speed |
| Engine | Allis-Chalmers 4-cylinder |
| Horsepower | 25 hp |
Basic tractor specifications and engine details for the WD 45 Diesel model.
Procedures for engine tuning, including spark plugs and timing adjustments.
Technical specifications for engine and component clearances in thousandths.
Critical torque values for engine components during assembly and repair.
Procedures for adjusting steering components on various front axle types.
Details on the front axle main member, including integral radius rods.
Guidelines for renewing and adjusting steering spindle bushings.
Information on the radius rod and its connection points.
Specific procedures for the Gemmer steering gear used on B-C models.
Detailed steps for removing and reinstalling the engine and clutch assembly.
Details on valve adjustment, seat angles, and width.
Steps for removing and reinstalling the timing gear cover.
Methods for adjusting connecting rod bearing shims for proper clearance.
Information on carburetors used for gasoline fuel on various models.
Description and maintenance of the LP-gas fuel filter system.
Explanation of the LP-gas regulator operation and adjustment.
Adjustment procedures for the governor linkage on specific tractor models.
Procedures for removing and reinstalling the radiator and hoses.
Steps for servicing the engine cooling fan and its support.
Specifications and data for various tractor distributors.
Test specifications for different starter motor models.
Specifications for Delco-Remy generators used on these tractors.
Procedures for setting ignition timing on various tractor models.
Detailed steps for removing and reinstalling the engine and clutch unit.
Procedures for removing, installing, and torquing the cylinder head.
Information on valve seat angles, width, and stem diameter.
Procedures for renewing valve guides and checking valve springs.
Details on mushroom-type tappets, their clearance, and adjustment.
Procedures for removing, disassembling, and servicing rocker arms.
Description of the fuel filtering system and maintenance steps.
Procedures for testing and locating faulty injection nozzles.
Steps for checking and setting the injection pump timing to the engine.
Necessity and procedure for cleaning diesel engine energy cells.
Procedures for removing and reinstalling the radiator and hoses.
Procedures for resealing and overhauling the water pump.
Details on clutch models and adjustments for B, C, and CA tractors.
Information on Rockford and Auburn clutches used in WD/WD45 models.
Details on the transmission clutch for WD/WD45 tractors with PTO.
Procedures for removing the torque tube assembly from B-C-CA models.
Information on torque tube and clutch shaft sealing for WD/WD45 models.
Overview of transmission components and housing for B-C models.
Procedures for removing and disassembling the transmission cover, rods, and forks.
Steps for removing and overhauling the countershaft and bevel pinion.
Procedures for removing and overhauling the reverse idler gear and shaft.
Steps for removing, overhauling, and adjusting the main transmission shaft.
Procedures for removing and adjusting bevel pinion shaft bearings.
Disassembly and reassembly of shifter rods, forks, and related components.
Procedures for removing and overhauling the clutch shaft.
Steps for removing and reinstalling the transmission unit.
General overhaul data for the transmission components.
Procedures for checking and overhauling shifter forks and rails.
Procedures for removing and overhauling the main drive shaft.
Information on the differential unit and its components.
Details specific to the differential in B, C, and CA models.
Procedures for differential bearings and backlash adjustment on Model G.
Procedures for differential bearings and backlash adjustment on Model RC.
Procedures for differential bearings and backlash adjustment on WC/WF models.
Procedures for adjusting wheel axle shaft bearings on final drive units.
Information on the mesh position of the main drive bevel gears.
Procedures for adjusting bull pinion shaft bearings on B-C models.
Procedures for renewing bull pinion shaft, bearings, or brake drum.
Procedures for adjusting wheel axle shaft bearings on Model CA.
Procedures for adjusting wheel axle bearings on RC/WC/WF models.
Procedures for adjusting wheel axle bearings on WD/WD45 models.
Steps for removing the final drive unit from the tractor.
Details on adjusting the final drive clutch on Model CA.
Procedures for handling brakes on Model G tractors.
Procedures for adjusting brakes on WD/WD45 models.
Procedures for adjusting belt pulley unit bearings and gears.
Procedures for removing and overhauling the pulley and shaft unit.
Repair data for PTO units on RC/WC/WD/WD45/WF models.
Procedures for removing, inspecting, and overhauling the hydraulic pump.
Testing procedures for the hydraulic pump and its valves.
Importance of correctly adjusting the hydraulic system linkage.
Pump regulating spring adjustment procedures for WD/WD45 models.
Procedures for disassembling the mechanical lift unit on RC/WC models.
