Drive Motor (Motor Portion) - Terex ASV SR70 Service & Repair Manual

Rubber Track Loader
16. Hydraulic Component Service
Drive Motor
(motor portion)
Disassembly
Required Tools
Allen Wrench/Socket
Snap Ring Pliers
Screwdriver (blade type) (seal removal if needed)
16-33
1. Mark the casing across the parting lines as shown
to ensure correct reassembly of the drive motor.
(fig. 16-33)
Bolts
16-34
16-35
2. Remove the allen bolts securing the output end of
the drive motor to the main casting and remove it
from the motor as shown. (fig. 16-34, 16-35)
16-36
3. Lift and remove the piston block to expose the
sealing surfaces. Inspect these surfaces to ensure
there is no scratching or abrasion that may affect
operation. (fig. 16-36)
16-37
4. Inspect the surfaces of the cam ring and the piston
rollers for imperfections. Any damage found indi-
cates a need for component replacement.
(fig. 16-37)
16-38
5. Using a snap ring pliers, remove the snap and
retaining rings on both sides of the piston block to
allow for removal and inspection of the block, pis-
tons, piston rings, and rollers. (fig. 16-38)
16-8
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Surfaces
Surfaces