OIL LEAKS
13
A. Oil Reservoir
1. Oil level should be 1/8”above swash disk. Overfilling causes oil
leaks. (figure 16)
B. Weep Holes – Oil Seals
1. Remove piston guide housing and water inlet housing.
2. Pull out piston guide assembly.
3. Drain oil into suitable container.
4. Turn over piston guide housing and pry out bushings.
(figure 17)
5. Inspect bushings and replace if necessary.
6. Remove the three oil seals with flat head screwdriver. (figure 18)
7. Inspect oil seals and replace if necessary.
• Soak new oil seals in water for 10 minutes.
(inset figure 19)
• Make sure housing is clean and dry.
• Place oil seal in to recessed end of installation tool.
Groove in seal should face oil. Brass sleeve is not used.
• Do not grease groove in oil seal.
• Place seal in housing using installation tool. (figure 19)
• Push until seal hits bottom.
7. Check pistons for damage and scoring. (figure 20)
Replace if necessary.
8. Clean piston surface.
9. Reassemble.
A. Oil Reservoir
B. Weep Hole s– Oil Seals
figure 16
Figure 17
figure 18
figure 19
Figure 20
Pump 629 9/28/01 3:22 PM Page 13
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