PUMP GP-PISTON 1200140 - Caterpillar

Type of motor ... pistonDisplacement ... 934 cm3/rev (57 in3/rev)Oil capacity of motor casing ... 1.3 liter (.34 gallon)Motor rotation can be clockwise or counterclockwise when seen from drive end.For bench test, use Service Classification ISO 3448 type VG 46 (SAE 20W) hydraulic oil. The oil must be certified to have anti-rust, very high viscosity index and anti-oxidation additive properties for heavy duty use.(1) Tighten bolts to a torque of ... 100 N m (75 lb ft)(2) Shim Set 5E8273 for bearing preload adjustment: Four shims, thickness ... 0.05 mm (.002 in)Twenty shims, thickness ... 0.10 mm (.004 in)The required quantity and total thickness of shims (2) is obtained by measuring the clearance between spacer (4) and snap ring (3). Then add 0.15 mm (.006 in) to this dimension.(5) Torque for flange nuts ... 314 N m (235 lb ft)General Specifications for brake unit: Brake capacity ... 100 cm3 (6.1 in3)Brake release displacement ... 41 cm3 (2.5 in3)Braking torque ... 5520 N m (4090 lb ft)Brake release pressure ... 1200 to 3100 kPa (175 to 450 psi)Rear Motor
Type of motor ... pistonDisplacement ... 1259 cm3/rev (77 in3/rev)Oil capacity of motor casing ... 1.5 liter (.39 gallon)Motor rotation can be clockwise or counterclockwise when seen from drive end.For bench test, use Service Classification ISO 3448 type VG 46 (SAE 20W) hydraulic oil. The oil must be certified to have anti-rust, very high viscosity index and anti-oxidation additive properties for heavy duty use.(1) Tighten bolts to a torque of ... 300 N m (220 lb ft)(2) Shim Set 5E8239 for bearing preload adjustment: Thickness of four shims ... 0.05 mm (.002 in)Thickness of twenty shims ... 0.10 mm (.004 in)The required quantity and total thickness of shims (2) is obtained by measuring the clearance between spacer (4) and snap ring (3). Then add 0.12 mm (.005 in) to this dimension.(5) Tighten flange nuts to a torque of ... 314 N m (235 lb ft)General Specifications for brake unit: Brake capacity ... 170 cm3 (10.4 in3)Brake release displacement ... 60 cm3 (3.7 in3)Braking torque ... 9245 N m (6840 lb ft)Brake release pressure ... 1200 to 3100 kPa (175 to 450 psi)Procedure To Determine Shim Pack Thickness (Front And Rear Motors)
(1) Shim stack.(2) Brake piston.(3) Internal tooth friction disc.(4) Snap ring.(5) Spring washer.(6) External tooth plate.1. Install discs and plates alternately in brake housing, starting with an internal-toothed friction disk (3). Using this sequence, an external-toothed smooth plate (6) will be assembled on top of the stack.2. Put brake piston (2) on top of the discs and install snap ring (4). Use a press to compress the brake discs with a force of 60 000 N (13,495 lb).3. Measure the distance between the top of the piston, where the spring washer seats, and the top of the snap ring. This is dimension (X). When measuring dimension (X), lay a