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MA4:9
V Range 502
l
652
l
802 Maintenance Manual
Johnston Sweepers Limited
Chapter - Water System
P22/34-100 Johnston Water pump 283701-1
Seal and Valve Maintenance Instructions
The following shows the overhaul procedure for the valves and plunger seals
1. With a 22mm socket,
remove the three discharge
valve plugs (43) from the
top of the manifold.
2. With a pair of needle nose pliers remove the spring
tension cap (34), spring (35) and plate (36)
3. Use a valve extractor
tool (99.061) to remove the
valve seats (37)
4. Inspect the valve seat
(37) and valve seat (36) for
signs of wear or cavitation
and replace as necessary.
5. Using an 8mm Allen key
remove the inner hexagon
screws (45)
6. With a rubber mallet tap
the back of the valve casing
(29) and pull the valve
casing (29) off the plungers
(24a).
7. Using a 6mm Allen
key remove the two inner
hexagon screws (46).
8. Separate the
intermediate casing (48)
from the valve casing (29)
Seal and Valve Maintenance Instructions
P22/34-100 Johnston Water Pump 700803
Содержание VM502
Страница 2: ...V Range 502 l 652 l 802 Maintenance Manual...
Страница 20: ...V Range 502 l 652 l 802 Maintenance Manual MA1 18 Chapter Scheduled Maintenance...
Страница 36: ...V Range 502 l 652 l 802 Maintenance Manual MA2 16 Chapter Hydraulic System...
Страница 158: ...V Range 502 l 652 l 802 Maintenance Manual MA5 22 Chapter Pneumatic System Littasnatch Option Sheet 14 17 Rev K...
Страница 162: ...V Range 502 l 652 l 802 Maintenance Manual MA5 26 Chapter Pneumatic System...
Страница 170: ...V Range 502 l 652 l 802 Maintenance Manual MA6 8 Chapter Wearing Items...
Страница 188: ...V Range 502 l 652 l 802 Maintenance Manual MA7 18 Chapter Remove and Refit Procedures...
Страница 204: ...V Range 502 l 652 l 802 Maintenance Manual MA8 16 Chapter Fault Diagnosis...
Страница 212: ...V Range 502 l 652 l 802 Maintenance Manual MA9 8 Chapter Service Tools...
Страница 220: ...V Range 502 l 652 l 802 Maintenance Manual MA10 8 Chapter Health and Safety...