5 Check that the O-ring
(8) is int a ct a nd in position w hen r e-in-
sta lling t he volute ca sing. Check th a t t he volute ca sing is in position.
The opening (14) should be turned upwards when the pump is
installed.
If the bearing housing is turned wrongly, the bearings will be left
without lubrication. Before mounting the pump on the engine, fill up
the bearing housing with oil until oil flows out through the draining
holes.
b)
Disassembling and assembling of mechanical seal
1 Remove the impeller
a ccording t o pos. a ) a bove.
2 Carefully dismantle all seal details.
Sealing rings are very
fragile.
3 Take particular care
not to dama ge sealing surfaces a s a slight
scra tch ma y disturb t he sealing function.
4 Replace the complete seal
if it is leaky, if sealing faces are
corroded, uneven or worn. Avoid touching the sealing faces with
fingers.
5 Reassemble the details
in proper order a nd inst a ll the impel-
ler a ccording t o pos. a ) a bove
c)
Replacing of bearings
1 Remove the pump
from the engine.
2 Disassemble the impeller
and mechanical seal according to
pos. a ) a nd b) a bove.
3 Remove the rear plate
(1) by un doing t he s crews (10).
4 Loosen the screws
(18) a nd remove t he press ur e plat e (19).
5 Pull off the gear wheel
without using any tool. If the gear
wheel does not come loose, a few strokes with a non-recoiling
hammer will help. (The conical ring elements come loose together
w ith the gea r wh eel.)
Using an extractor will only damage the shaft (axial scratches).
6 Loosen the bearing retainer
(16) and the slinger.
7 Remove the locking screws (26)
and mount three hexagon
screws into the holes. Tighten the screws until the bearings come
loose from the housing. Remove the sha ft a nd bea rings.
Cooling Water System, V-engines
34SG-9501
Содержание 41508
Страница 3: ......
Страница 12: ...Appendix B Welding Precautions 200147...
Страница 22: ...Fuel Lubricating Oil Cooling Water 34SG 200303 03...
Страница 29: ...A Ap pp pe en nd di ix x A A E En nv vi ir ro on nm me en nt ta al l H Ha az za ar rd ds s 2 20 00 03 32 21 1...
Страница 73: ...Maintenance Tools 32 9801...
Страница 115: ...Engine Block with Bearings Cylinder and Oil Sump 34SG 9701...