TM 10-3950-206-12
(21) Hydraulic cylinder, boom lift.
Number sheaves ............................................................. 1
Working load .................................................... 5-6 1/2 ton
Make ..................................................................Pettibone
(27) Wheel brakes.
Part number....................................................... C32492-3
Make .................................................. Rockwell-Standard
Stroke ................................................................. 32 1/8 in.
Model ................................................................ 17 1/4 x 4
Bore ................................................................... 6.030 in.
(22) Hydraulic cylinder, boom extension.
Type ..............................................................................H
(28) Brake master cylinder.
Make ..................................................................Pettibone
Make ...................................................... Wagner Electric
Part number..................................................... C31698-14
Model ............................................................... FE13066C
Stroke ....................................................................... 96 in.
(29) Brake power assist unit.
Bore .................................................................. 4 1/32 in.
(23) Hydraulic cylinder, steering.
Make ..................................................................... Bendix
Make ..................................................................Pettibone
Model .................................................................... 374750
(30) Tires.
Part number....................................................... C26361-2
Stroke ....................................................................... 10 in.
Front (drive)..............................................9:00 x 20-12 ply
Bore .................................................................... 4 1/2 in.
Rear (steering) .........................................7:50 x 15-10 ply
(24) Hydraulic steering unit.
Drive wheel pressure ...............................................90 psi
Make ................................................................ Char-Lynn
Steering wheel pressure ............................................ 85 p
Model.................................................................... Y P3-12
(25) Hydraulic winch motor.
c. Wiring Diagram. The crane is equipped with a 12
volt, negative ground, electrical system. Refer to figure
Make .............................................. Commercial Shearing
1-4 for the wiring diagram.
Model............................................ M25X-797-BERT22-25
(26) Hook block.
Make ..........................................................Upson-Walton
crane hydraulic diagram.
Model........................................................................ 265D
1-3