SILENCER-AIR STARTING 1078769 - Caterpillar

Illustration 1 g00979886
Front view
Note: Lubricate the bores for the O-ring seals (not shown) with engine oil. (1) Spring Length under test force ... 102 mm (4.02 inch)Test force ... 518 26 N (116 6 lb)Free length after test force ... 143.4 mm (5.65 inch)Outside diameter ... 37.25 mm (1.467 inch) (2) Bypass valve The valve must move freely in the bore. Start to open pressure ... 287 7 kPa (42 1 psi)Fully open pressure ... 480 7 kPa (70 1 psi) (3) Bolt Torque ... 55 7 N m (41 5 lb ft) (4) Bolt Torque ... 55 7 N m (41 5 lb ft) (5) Selector lever for the changeover valve For the procedure to adjust the duplex filter's changeover valve, refer to Systems Operation/Testing and Adjusting, "Duplex Oil Filter - Adjust". (6) Plunger (7) Bracket (8) Rod (9) Lever
Illustration 2 g00980891
Right view
(10) Jam nut Torque ... 45 7 N m (33 5 lb ft) (11) Nut for the changeover valve Approximate torque for initial tightening ... 3 N m (27 lb in)After the initial tightening, scribe a mark in order to locate a corner of the nut. Unscrew the nut for the following amount in order to provide axial movement of shaft (12). ... 30 degrees (12) Shaft Axial movement of shaft ... 0.22 0.08 mm (0.009 0.003 inch)