Service Repair Manual
Model
426C BACKHOE LOADER
Shutdown SIS
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Product: BACKHOE LOADER
Model: 426C BACKHOE LOADER 7WN
Configuration: 426C Backhoe Loader Center Pivot, Single Tilt 7WN01100-01110 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
416C, 426C, 428C, 436C AND 438C BACKHOE LOADERS MACHINE SYST
Media Number -SENR1209-02
Publication Date -01/10/2004
Date Updated -05/06/2012
SENR12090032
Steering Cylinder
SMCS - 4303-010
Remove & Install Steering Cylinder
Start By:
a. remove tie rods
Fluid Spillage Containment
Care must be taken to ensure that fluids are contained during performance of inspection,
maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with
suitable containers before opening any compartment or disassembling any component containing
fluids. Refer to "Tools And Shop Products Guide", NENG2500 for tools and supplies suitable to
collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations
and mandates.
At operating temperature, the hydraulic oil tank is hot and under
pressure. Hot oil can cause burns. Remove the breather filter cap only
when the engine is stopped and the breather filter cap is cool enough to
touch. Slowly loosen the breather filter cap to release any pressure in
the hydraulic tank. Be cautious of hot hydraulic oil when any lines are
disconnected in the hydraulic system.
NOTE: Put identification on all lines, hoses, wires and tubes for installation purposes. Cap and
plug all lines, hoses and tubes to prevent foreign material from entering the system.
NOTE: Drain all fluids in a suitable container for storage or disposal.
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1. Disconnect two hose assemblies (1). Cap or plug immediately.
2. Remove four bolts (2).
3. Remove steering cylinder (3).
NOTE: For installation of the steering cylinder, re