C9.3 Tier 4 Final Engines Fuel Injection Pump Caterpillar


Fuel Injection Pump
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Illustration 1g03130476

Table 1
Specification for 493-9679 Fuel Injection Pump Gp 
Item  Qty  Part  Specification Description 
143-9392 Stud  Use the following procedure in order to tightening the studs and the bolts as shown in the Illustration 1: 
5P-8347 Bolt  1. Tighten to 19 ± 1 N·m (168 ± 95 lb in)
2. Again, turn to reach the final turn angle of 30 ± 1 degrees.
3. Final tightening torque should be 30 to 40 N·m (22 to 30 lb ft).
9S-8004 O-Ring Plug  Torque to 35 ± 4 N·m (26 ± 3 lb ft)
9S-8005 O-Ring Plug  Torque to 70 ± 5 N·m (52 ± 4 lb ft)
9S-8003 Plug  Torque to 20 ± 2 N·m (177 ± 18 lb in)
143-9392 Stud  Torque to 30 ± 4 N·m (266 ± 35 lb in)
6V-5135 Socket Setscrew  Torque to 25 ± 2 N·m (221 ± 18 lb in)
9S-4180 Plug  Torque to 4.5 ± 0.5 N·m (39.8 ± 4.4 lb in)
104-6385 Stud  Torque to 30 ± 4 N·m (266 ± 35 lb in)
10  6V-3940 Bolt  Torque to 30 ± 4 N·m (266 ± 35 lb in)
11  294-3031 Special Bolt  Torque to 9 ± 1 N·m (80 ± 9 lb in)
12  8C-8545 Bolt  Torque to 7.0 ± 0.4 N·m (62.0 ± 3.5 lb in)
13  6V-5845 Bolt  Before assembly, apply red Loctite 271 to the threads. 
1. Tighten to 200 ± 5 N·m (148 ± 4 lb ft) and rotate to 180 degrees counter clock wise.
2. Again tighten to 200 ± 5 N·m (148 ± 4 lb ft).
3. Turn to reach the final turn angle of 31 ± 2 degrees.
4. And final tightening torque should be 500 ± 50 N·m (369 ± 37 lb ft).

Information System:

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