EXTENSION 6V3138 - Caterpillar

Illustration 1 g00990292Piston stroke ... 187.32 mm (7.375 inch)Note: The amount of air pressure at the inlet port is multiplied by 23 in order to achieve the amount of hydraulic pressure at the outlet port. (1) Torque for the purge screw ... 14.7 3.0 N m (10.84 2.21 lb ft) (2) Cylinder tube Install the cylinder tube. The cylinder tube must bottom out. Maximum installation torque ... 14 N m (125 lb in) (3) Hydraulic oil tank port (4) Air supply port (5) End cap Install end cap (5) on cylinder tube (2). Tighten end cap (5) until the end cap bottoms out on cylinder tube (2). Maximum installation torque ... 14 N m (125 lb in)Maximum breakaway torque ... 88 N m (65 lb ft)Note: Turn out end cap (5) in order to align purge screw (1) with hydraulic oil tank port (3). The tolerance for this alignment is 10 degrees. Do not turn out end cap (5) more than one revolution.