Problems And Possible Causes - Perkins M92 User Handbook Manual

Chapter 6

Problems and possible causes

Engine problem
The starter motor turns the engine too slowly
The engine does not start
The engine is difficult to start
Not enough power
Misfire
High fuel consumption
Black exhaust smoke
Blue or white exhaust smoke
The pressure of the lubricating oil system is too low
The engine knocks
The egine runs erratically
Vibration
The pressure of the lubricating oil system is too high
The engine oil temperature is too high
Crankcase pressure
Bad compression
The engine starts and stops
Reverse gearbox problem
Delay of gear engagement (1)
No transmission
The boat does not reach maximum speed (2)
(1) Propellor rotates only after a delay of several seconds or only after engine speed is increased.
(2) Temperature of the reverse gearbox is high.
64
Possible causes
Checks by the user
1, 2, 3, 4
5, 6, 7, 8, 9, 10, 12, 13, 14, 15,
17
5, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 19
8, 9, 10, 11, 12, 13, 16, 18, 19,
20, 21
8, 9, 10, 12, 13, 15, 20, 22
11, 13, 15, 17, 18, 19, 23, 22
11, 13, 15, 17, 19, 21, 22
4, 15, 21, 23
4, 24, 25, 26
9, 13, 15, 17, 20, 22, 23
8, 9, 10, 11, 12, 13, 15, 16, 18,
20, 22, 23
13, 18, 20, 27, 28
4, 25
11, 13, 15, 19, 27, 29, 30, 32,
65, 66, 67, 68
31, 33
11, 22
10, 11, 12
Possible causes
Checks by the user
70, 71
72
73, 74
TPD1397EGN
Checks by the workshop
personnel
34, 35, 36, 37, 38, 42, 43, 44
34, 36, 37, 38, 40, 42, 43
34, 36, 37, 38, 39, 40, 41, 43,
63
34, 36, 37, 38, 39, 40, 41, 43
34, 36, 37, 38, 39, 40, 42, 43,
44, 63
34, 36, 37, 38, 39, 40, 42, 43,
44, 63
36, 37, 38, 39, 42, 44, 45, 52,
58, 61, 62
46, 47, 48, 50, 51, 59,
36, 37, 40, 42, 44, 46, 52, 53,
60
36, 38, 40, 41, 44, 52, 60,
36, 38, 39, 40, 41, 44, 52, 54
49
34, 36, 37, 39, 52, 55, 56, 57,
69
39, 42, 44, 45, 52, 61
37, 39, 40, 42, 43, 44, 45, 53,
60
Checks by the workshop
personnel
75
75, 76, 77