TM 10-4610-310-14
0127 00
ASSEMBLY - continued
NOTE
Groove for outer retaining ring must be visible.
12. Insert large retaining ring (6) into pinion bearing housing (2). Snap ring into groove.
13. Lubricate inside and outside diameters of new pinion oil seal (7) with CAT PUMP oil, or equal.
14. Place pinion oil seal (7) at mouth of pinion bearing housing (2).
CAUTION
Keep seal square in position to avoid inner lip hanging up on pinion gear edge.
15. Carefully press pinion oil seal (7) into position until seated on retaining ring (5 and 6).
16. Rotate pinion gear (3) so keyway is up.
17. Mount assembled gearbox housing (2) onto plunger pump (2) shaft.
NOTE
Carefully match gear teeth and line up mounting holes.
18. Place engine mounting flange in the forward position.
19. Install four hex head screws (20) with washers (19, 18) to fasten gearbox (1) to plunger pump (2).
20. Torque hex head screws 50 inch-pounds (5.6 N m).
LUBRICATION
1. Fill plunger pump and gearbox with 11.8 ounces (0.35 liter) of lubricating oil before operation.
2. Ensure that the oil level in the high-pressure gearbox is right above the red dot on the sight glass (13). See
figure 1.
3. Allow lubricating oil to flow into gearbox. Turn shaft and gear to lubricate surfaces.
4. Add remaining amount of lubricating oil to gearbox. Do not overfill.
MOUNTING PUMP WITH GEARBOX ONTO ENGINE
1. Rotate crankshaft of engine until keyway is at top.
2. Insert key into engine keyway. Apply Loctite anti-seize lubricant to engine shaft.
3. Align keyway of pinion gear and engine shaft.
4. Carefully slip gearbox (9) onto engine shaft until flush with diesel engine face.
5. Install four hex head screws (10), flat washers (11), and lock washers (12) through gearbox (9) housing into
engine mounting flange.
6. Torque screws 110 inch-pounds (12.3 N m).
END OF WORK PACKAGE
0127 00-3 / 4 blank
