PUMP GP-PISTON 3889642 - Caterpillar

Illustration 1 g02555219
Top view
(1) 152-2700 Air Shutoff Valve and Mounting
Table 1
Specification for 284-0621 Air Shutoff Gp
Item Qty Part Specification Description
2 1 284-6644 Air Shutoff Gp Nominal actuation pressure is 117 kPa (17 psi).
Air shutoff group must not actuate at 14 kPa (2 psi) or below 14 kPa (2 psi). Air shutoff group must actuate at 172 kPa (25 psi) or above 172 kPa (25 psi).
Pressure should not exceed 690 kPa (100 psi).
Illustration 2 g02555220
Rear view
Table 2
Specification for 284-0621 Air Shutoff Gp
Item Qty Part Specification Description
3 1 3J-7354 O-Ring Seal Before assembly, lightly lubricate the bore with glycerin or an approved equivalent.
4 3 3J-1907 O-Ring Seal Before assembly, lightly lubricate the bore with glycerin or an approved equivalent.
5 1 6V-5048 O-Ring Seal Before assembly, lightly lubricate the bore with glycerin or an approved equivalent. Air Shutoff Valve and Mounting (1)
Illustration 3 g02555218
Table 3
Specification for 152-2700 Air Shutoff Valve and Mounting
Item Qty Part Specification Description
7 1 152-8341 Solenoid Valve Gp Nominal voltage is 24 V.
Resistance at 25 5 °C (77 9 °F) is 32.6 1.6 ohms.
Torque 111-0343 Locknut (6) to 9.0 0.5 N m (79.7 4.4 lb in).
Final installation torque is 108 7 N m (80 5 lb ft).