Fault Diagnosis; Problems And Possible Causes - Perkins 35943 User Handbook Manual

35943

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 4, 24, 25, 26
The engine knocks
The engine 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
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
9, 13, 15, 17, 20, 22, 23
8, 9, 10, 11, 12, 13, 15, 16,
18, 20, 22, 23
13, 18, 20, 28
4, 25
11, 13, 15, 19, 29, 30, 32,
65, 66, 67, 68
31, 33
11, 22
10, 11, 12
Chapter 6

Fault diagnosis

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
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, 70
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
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