PORT
BLOCK (SIN
15001
& Above)
Cold Weather
By-Pass
Valve Removal And
Installation
Stop the engine. Raise the operator cab. (See
PREVENTIVE MAINTENANCE Section 1.)
Drain the hydraulic reservoir.
(See Page
2-34
.)
Remove the hoses and tubelines from the tee fitting at the
port block [A).
Remove the
tee fitting and the elbow from the port block
[B).
Remove the poppet and spring from the port block
[C]
.
Clean the valve
in
solvent and check the seat in the elbow
fitting.
Replace the parts as needed.
Case Drain Relief Valve Removal And Installation
Stop the engine and raise the operator cab.
Drain the hydraulic reservoir.
(See HYDRAULIC
SYSTEM Section 3.)
Remove the plug from the port block
(0).
-2-31-
741,
742,
743,
74305
Bobcat Loader
Service Manual
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