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REPAIR INSTRUCTIONS - SP100HT/SP200HT PUMP
1. With a 22mm socket, remove
the three discharge (43)
and three inlet (41) manifold
plugs.
2. Check o-ring (44) for wear and replace as necessary. Remove the
discharge spring retainer (34), valve spring (35), and valve plate
(36).
3. Use a small slide hammer
to remove valve seats (37)
from manifold (29). Inspect
valve plate (36) and valve
seats (37) for wear. If exces
-
sive pitting is seen, replace
the worn parts. Check valve
seat o-ring (38) for wear and
replace as necessary.
4. Drain the oil from the pump.
Turn the pump over to remove
the four manifold stud nuts
(46) with a 19mm wrench.
41A
44
34
35
36
6. Remove the inlet valve re
-
tainer assembly (34A-39)
7. Remove the o-ring, (40), valve plate (36), valve spring (35), spring
retainer (34A). Check valve retainer o-ring (40) for wear.
5. Tap the back of the valve cas-
ing (29) with a rubber mallet.
40
36
35
34A
Summary of Contents for SP100HT
Page 4: ...4 SP100HT EXPLODED VIEW ...
