PUMP & METER GP 7X7439 - Caterpillar

Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01052033Note: Ensure that the shoulder of the impeller is against the step in the shaft. Impeller (30) has left-hand threads.
Place shaft (28) into a soft jawed vise. Apply Tooling (H) to the threads that are on shaft (28). Install impeller (30). Use Tooling (E) to tighten impeller (30) to a torque of 103 13 N m (76 10 lb ft).Note: Impeller (30) has left-hand threads.
Install port plate (32) onto shaft (28).Note: The hole in port plate (32) for shaft (28) is smaller than the hole in plate (29).
Install spacer (33) onto shaft (28).Note: The length of spacer (33) is 18.0 mm (0.71 inch).
Illustration 2 g01052028
Install one half of seal assembly (34) into body (21).
Install one half of seal assembly (34) onto shaft (28).
Install sleeve (35) onto shaft (28).Note: The length of sleeve (35) is 22.8 mm (0.89 inch).
Position shaft assembly (28) into body (21).Note: Ensure that the locating pin on plate (32) is engaged into body (21).
Illustration 3 g01052077
Use Tooling (C) to install bearing (20) into bearing housing (13).
Use Tooling (G) to install retaining ring (19) into bearing housing (13).
Install bearing housing (13) and shims (15) onto body (21). Tighten bolts (14) to a torque of 6 1 N m (53 9 lb in).
Use Tooling (G) to install retaining ring (18) on shaft (28).
Illustration 4 g01052081
Install ring (31) into body (21).
Use Tooling (J) to check the height of impeller (30). The height of the impeller should be 0.11 mm to 0.16 mm (0.004 inch to 0.006 inch) below the edge of ring (31).Note: To adjust the height of the impeller, remove bearing housing (13) and add shims. To adjust the height of the impeller, remove bearing housing (13) and remove shims (15).
Illustration 5 g01052084
Install plate (29) on shaft (28).
Install O-ring seal (27) on body (21). Apply Tooling (K) to the O-ring seal.
Install body (21) onto ring (31). Install bolts (22) and tighten to a torque of 6 1 N m (53 9 lb in).
Install cover (16) on the bearing housing. Install bolts (17) and tighten to a torque of 1.9 0.2 N m (17 2 lb in).
Illustration 6 g01052140
Use Tooling (C) to install bearing (12) into body (7).
Use Tooling (G) to install retaining ring (11) into body (7).
Install oil seal (10) in body (7).
Illustration 7 g01052087
Apply Tooling (H) to the threads that are on shaft (28). Install impeller (25) onto the shaft. Tighten the impeller to a torque of 103 13 N m (76 10 lb ft).Note: Impeller (25) has right-hand threads.
Install one half of seal assembly (24) onto shaft (28).
Install one half of seal assembly (24) in body (7).
Install sleeve (23) onto shaft (28).Note: The length of sleeve (23) is 33.4 mm (1.32 inch).
Install O-ring seal (26) on body (9). Apply Tooling (K) to the O-ring seal.
Install body (7) onto body (9). Install bolts (8) and tighten to a torque of 6 1 N m (53 9