8. FUNCTION TEST
34
Repair Manualand Spare Parts List
Section 8
When the transmission has been completely assembled
and filled up with transmission fluid, it would be conve-
nient to make a function test.
This test can be carried out on a bench test rig, or in a
boat. If no fluid cooler can be connected, a hydraulic
hose must be connected between the inlet and outlet
of the hydraulic pump.
Measuring instruments required:
.
Pressure gauge 0-40 bar (0-580 psi), with connect-
ing thread M10x1
.
Temperature gauge 0-120ëC (0-250ëF), connecting
thread 3/8"-18NPSF
.
Flow meter 0-35 liters/min (0-10 gals/min)
Tests to be carried out:
1. Fluid leaks
2. Noise emission
3. Direction of rotation, LH/RH
4. Lube oiltemperature
5. Shifting pressure
6. Lube oilflow rate
The function test should be carried out follows:
Motor speed (rpm)
Shift lever position
Durat.
minutes
Test
800-1000
neutral5
1, 2
600-800 (idling speed)
A<->B
position repeatedly
-
1, 2, 3
1500-2500
B position
-
1, 2, 4
600-800 (idling speed)
A<->B
position repeatedly
-
1, 2, 3
idling - max. speed
A position
-
1, 2, 5
] ]
, 6
] ]
600-800 (idling speed)
A->B position
-
1, 2
idling - max. speed
B position
-
1, 2, 5
] ]
, 6
] ]
]
Untila fluid temperature of 75-80 ëC (167-176ëF) has been reached
] ]
At different speeds.
