Diesel Injection Pump, Servicing

DIESEL INJECTION PUMP, SERVICING

CAUTION: Observe rules at cleanliness, Service and Repair

The following injection pump components can be replaced:
- Throttle lever/return spring
- Throttle lever bushing -9-, throttle lever O-ring -10- and gasket -13- between pump cover and housing
- O-ring -24- for residual fuel delivery adjusting screw
- O-ring for idle speed boost shaft
- O-ring -15- for Injection Start Positioner -N165-
- O-rings -34- and -37- for CSA lever and cover





1 - Circlip
- Pry off with screwdriver
2 - Compression spring
3 - Upper spring plate
4 - 10 Nm (7 ft lb)
5 - Pump cover
6 - Thrust washer
7 - Shaft
- For idle speed boost
8 - Idle speed boost spring
- Detach when removing pump cover
- Do not overstretch
9 - Bearing bushing
10 - O-ring
- Always replace
11 - Thrust washer
12 - Throttle lever shaft
- Press out with handle of screwdriver
13 - Gasket
- Always replace
14 - Shim
15 O-ring
- Always replace
16 - Injection timing spring.
17 - Injection timing cover with Injection Start Positioner -N165-
18 - 10 Nm (7 ft lb)
19 - 10 Nm (7 ft lb)
20 - Idle speed throttle lever
21 - Lower spring cover
22 - Thrust ring
23 - O-ring
- Always replace
24 - O-ring
- Always replace
25 - Washer
26 - Adjustment rod
- For idle speed
27 - Fuel delivery adjusting screw
- Mark installation position
28 - Circlip
29 - Spring washer
30 - Washer
31 - Cold Start Accelerator (CSA) lever
- Mark installation position
32 - Retainer
- For CSA lever -31-
33 - Thrust ring
34 - O-ring
- Always replace
35 - 10 Nm (7 ft lb)
36 - Cover
- For CSA mechanism
37 - O-ring
- Always replace