3406C GENERATOR SET ENGINE Caterpillar


Governor And Fuel Pump Drive Group Automatic Timing Advance Unit

Usage:

NOTE: For the correct timing specifications to use for adjustment of the automatic timing advance unit, see the Engine Information Plate, TMI (Technical Marketing Information), or Fuel Setting And Related Information Fiche.

(1) 1W5427 Spring:

Length under test force ... 62.0 mm (2.44 in)

Test force ... 391 ± 20 N (87.9 ± 4.5 lb)

Free length after test ... 81.96 ± 1.31 mm (3.228 ± .052 in)

Outside diameter ... 97 mm (3.82 in)

(2) Torque for four bolts ... 12 ± 4 N·m (9 ± 3 lb ft)

(3) Torque for plug ... 70 ± 15 N·m (50 ± 11 lb ft)

(4) Torque for nut ... 4.5 ± 0.5 N·m (39.82 ± 4.43 lb in)

(5) Torque for nut ... 70 ± 15 N·m (50 ± 11 lb ft)

(6) 4P1358 Spring:

Length under test force ... 39.0 mm (1.54 in)

Test force ... 12.2 ± 0.6 N (2.74 ± .14 lb)

Free length after test ... 42.25 mm (1.66 in)

Outside diameter ... 15.4 mm (.61 in)

Color code (stripes) ... one yellow, one red

(7) Bolts that hold flyweight carriers.

(8) Torque for four bolts ... 55 ± 7 N·m (40 ± 5 lb ft)

(1) Torque for eight bolts ... 55 ± 10 N·m (40 ± 7 lb ft)

(2) Tighten hub on body (3) to a torque of ... 950 ± 95 N·m (700 ± 70 lb ft)

(3) Body.

(4) Torque for eight bolts ... 13 ± 3 N·m (10 ± 2 lb ft)

NOTE: Lubricate all seals lightly with engine oil.

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