7
6) Loosen the 8 nuts (49A)
with a 19mm socket and
pull off valve casing (43)
to the front.
TO CHECK SEALS AND PLUNGER PIPE
7)
Remove the seal sleeve
(35) from the manifold
and /or crankcase.
8) Remove seal case (37)
from seal sleeve (35).
9)
Check O-rings (39 & 38) and support rings (39A &
38A) on seal case (37).
39
39A
37
38A
38
10) Remove leakage seal
(36) from the seal sleeve.
If worn or damaged re-
place with new seal.
11)
Remove the pressure ring (40A), v-sleeves (40/40C),
sleeve, and support ring (40B),
from the seal sleeve.
Remove the pressure spring (41). Examine seals careful-
ly and replace if worn.
Clean surfaces of seal sleeves
(35) which come in contact with the crankcase (1)
and sealing surfaces of valve casing (43).
35
40A
40
40C
40B
REPAIR INSTRUCTIONS - LP301A-0081
NOTE:
Always take time to lubricate all metal and non-metal parts with a light film of oil before reassembling.
This step will help ensure proper fit, at the same time protecting the pump non-metal parts (elastomers) from
cutting and scoring.
