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EXHAUST
CONTROL
VALVE— 638
32
Chapter 1V—Hydraulic System
SOCKET
VALVE GUIDE—627
Pencil
Fig. 23—Removing Valve Guide Seats
clamp from each valve chamber cover. Remove the two spring seats,
outlet valve springs, outlet valves, inlet valve springs, inlet valves,
valve guides, and valve guide seats from each valve chamber (fig. 27).
Remove
the two valve guide seats from each valve chamber cover
with a pencil as shown in fig. 23.
b. Inspection and Repair. Clean all parts thoroughly in a clean-
ing solvent and blow dry with compressed air. Scrape gasket surfaces
until all pieces of old gasket are removed.
(1) SAFETY
VALVE.
Replace the safety valve (fig. 24) if the
check valve surface is ridged, if the ball is worn or damaged, or if the
safety valve spring has taken a permanent set as shown by inability
to hold the required pressure.
VALVE CHAMBER—622-R. H.
621-L. H.
@
GASKET—613
VALVE— 640
SAFETY
VALVE—694
RM-600
Fig. 24—Safety Valve and Valve Chamber
§ 142. b. (1)
3730-47]
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