Inspection Of Gear Case (For Leakage) - TOHATSU MD 30B2 Service Manual

3) Inspection of Gear Case (for leakage)

1. Drain gear oil.
2. Remove upper oil plug 1 and connect a commercially
available leakage tester to this hole.
3. Apply specified pressure to gear case, and check if the
pressure is maintained without further compression for 10
seconds.
· Do not apply pressure to gear case over
specified value.
· Doing so can cause damage to oil seal.
· Rotating propeller shaft while maintaining
pressure and testing with gear oil drained make
it easy to find leakage due to wear of oil seal lip.
· Depressurize gear case and cover oil plug
area with a piece of rag before disconnecting
leakage tester.
Specified Gear Case Maintained Pressure:
0.05 MPa (7 psi) [0.5 kgf/cm
4. If the specified pressure cannot be maintained, check oil
seals of drive shaft and propeller shaft and O ring of shift
shaft, and propeller shaft housing and water pump case
lower for damages.
4) Inspection of Water Pump
1. Remove the following part.
Drive out spring pin 1 on shift rod by using spring pin tool
2.
Spring Pin Tool A 2 (ø3.0):
P/N. 345-72227-0
Remove gear case ass'y from drive shaft housing.
●
2. Remove the following parts.
3 Gear Case Plate (One M10 bolt is behind the plate.)
4 Bolts : M8 4 pcs.
5 Bolts : M10 2 pcs.
6 Gear Case Ass'y (Pull downward to remove.)
TLD D30/40/50B2 2013
CAUTION
]
2
2 Gasket
Do not reuse.
2
Do not reuse.
1
5 5
3 3
6 6
2
1
3
1
6
4 4
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