LP301A-5100 REPAIR INSTRUCTIONS
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.
TO CHECK SEALS AND PLUNGER PIPE
6)Loosen the 8 nuts (49A) with a 19mm socket and pull off valve casing (43) to the front.
7) Remove the seal sleeve | 8) Remove seal case (37) from |
(35) from the manifold | seal sleeve (35). |
and /or crankcase. | |
9)Check O-rings (39 & 38) and support rings (39A & 38A) on seal case (37).
10)Remove leakage seal (36) from the seal sleeve. If worn or damaged replace with new seal.
11)Remove the pressure ring (40A), v-sleeves (40), and support ring (40B), from the seal sleeve. Remove the pressure spring (41). Examine seals carefully 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).
