32
10.7 Replacement of low-pressure gaskets
•
Separate the crankcase spacer from the crankcase.
Remove the rear glands from the crankcase spacer.
Remove the rear pack (rear gasket and anti-extrusion ring).
Replace the O-Rings of the outer slots of the rear glands.
Lubricate the O-Rings on the rear glands.
Fit the rear glands back into the crankcase spacer.
•
Position the crankcase spacer on the screw-plug in the crankcase and allow it to
slide fully against the crankcase
•
Grease the pistons and position the rear pack (anti-extrusion rings and rear gaskets)
onto the pistons
•
Allow the rear packs to slide onto the pistons with the aid of plug code
Plug
Pump model
77.3944
CHX 13-1000
CHX 24-1000
77.3958
CHX 21-1000
CHX 25-1000
NOTE. the operations highlighted by this symbol must not be performed if only
the gaskets are replaced, with the rear glands kept in position on the
crankcase spacer.
O-Ring
Rear
gland
O-Ring
Rear
pack
Crankcase
spacer
Summary of Contents for 74.1030.97.3
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