Cub Cadet Yanmar 3TNV72 - Manual (Page 210)

LUBRICATION SYSTEM
TNV IDI Service Manual 9-9
Trochoid Oil Pump
Disassembly of Oil Pump
1. Remove the engine cooling fan guard (if
equipped), engine cooling fan (Figure 9-4, (1)),
spacer (Figure 9-4, (2)), engine coolant pump
V-pulley (Figure 9-4, (3)) and V-belt.
Figure 9-4
2. Remove the front crankshaft pulley and gear
case cover. See Removal of Timing Gear Case
Cover on page 6-38.
3. Remove the seven oil pump cover screws
(Figure 9-5, (2)).
Note: The oil pump cover screws are installed
using a liquid thread lock. It may be
necessary to used “localized heat” (small
propane torch) and an impact-type
screwdriver to remove these screws.
Figure 9-5
4. Remove the oil pump cover (Figure 9-5, (1))
from the gear case.
5. Remove the outer rotor (Figure 9-5, (3)) and
inner rotor (Figure 9-5, (4)) from the gear case
cover.
6. Remove the oil pressure regulator valve
(Figure 9-6, (1)) from the oil pump cover
(Figure 9-6, (2)).
Figure 9-6
CAUTION
If the oil pump must be replaced, replace
it as an assembly only. Do not replace
individual components.
0000030en
(1)
(3)
(4)
(2)
0001959B
0001955B
(1)
(2)
(3)
(4)
(1)
(2)
0001958A
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