Giant GP7122 installation instructions To Check Seals, Loosen nuts 49A with a 24mm socket wrench

Page 8

GP7122 REPAIR INSTRUCTIONS

Valve Seat identification markings

7)When reassembling: The inlet valve seat (51C) is 1mm smaller in diameter than the discharge valve seat (52C). Inlet valve seats are marked "S" and always have to be installed first. Discharge valve seats are marked "P" and are always to be installed on top of inlet valve. Plugs (58) are to be tensioned down evenly with screws (58C) and in crosswise pattern at 155 (ft.lbs.).

TO CHECK SEALS

8)Loosen nuts (49A) with a 24mm socket wrench.

11)By gripping hex flats, sepa- rate plunger (36) from cross- head (25) by means of two open-end wrenches (size 22mm and 27mm).

9)With a rubber mallet tap the back of the valve casing (50) and pull the valve casing off the stud bolt (49).

12)Remove tension spring (40) from seal retainer (38).

10)Remove cover plate (30) with a 10mm socket wrench.

13)Pull seal sleeves (38) and plungers (36) out of their fittings in the crankcase

(1) using ring groove as a guide.

8

Page 7 Page 9
Image 8
Page 7 Page 9
Contents Model GP7122 Installation Instructions Important Operating ConditionsSpecifications Model GP7122 Exploded View GP7122 GP7122 Parts List Part Description QTYGP7122 Torque Specifications GP7122 Repair KitsTo Check Valves GP7122 Repair InstructionsTo Check Seals Loosen nuts 49A with a 24mm socket wrench38A 38C 38B To Assemble Valve Casing To Disassemble Gear ENDGP7122 Dimensions Inches Giant Industries Limited Warranty
Top Page Image Contents