REVERSING GEAR TRO UBLE
MALFUNCTIONS
A - Reverser slippage
The engine speed rises and does
not drive the propeller shaft
B - Reverser motion correct. No for
ward motion
C - Correct motion. No reverse mo
ti on
D - The propel Jer shaft rotates in one
direction or in the other but the ship
does not advance
E - No forward nor reverse motion
despite normal operation of the
contra I I ever
CAUSES
Before anything else check that
a} The shafline stuffing box (pac
king gland) is tight
b) The propel !er turns freely
1 ) The shafting boss is not tighten
2) No oil in the reverse
3) Wear or begi"ning of seizing of both
male and female cones
4) Poor adjustment of the forward or
reverse gear stop
1)
Insufficient travel of control ca
bles or clutch lever
2) Failure of forward motion pinions
3) Poor adjustment of the forward
gear stop
1 ) See Bl Bl
2) F'ai lure of reverser motion pinions
3) Poor adiustment of rear gear stop
No more propel fer
1) See AT, BT
REMEDIES
a) Stuffing box adjustment to permit
manL1al rotation and longitudinal dis
placement
b) Removal and reconditioning of the
sUpport sh.3.ft
Replacement of the rubber- bearing
I
irier
l)
Tight the shafting boss
2) General reverser control
3) Rep I ace the cones
4)
Adjust the reverser
1 ) Control the travels. Adjust the re
verser
2) Replace the pinions
3) Adjust the reverser
2) Replace the pinions
3) Adjust the reverser
Replace the propeller
27
Содержание RC8D
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