Hale RSD - Manual (Page 50)

❑ Preventive Maintenance
50 RSD Series Single-Stage PTO Pumps
p/n: 029-0020-92-0
1. For Gearbox capacity - see head-
ing “Appendix C1: Lube and
Sealant Specifications” on page
115.
2. Remove the oil fill plug, and
check the oil level of the gearbox.
(See Figure 4-1: “Gearbox Oil
Change Plugs.”)
3. The oil level should be up to the
bottom of the plug hole.
4. If the oil appears white or “milky,”
a water leak is indicated.
Remove the drain plug and drain
the oil into a suitable container.
Examine the oil for metal flakes
or other contamination.
Have clean disposable shop rags and oil dry handy and a suitable container
to collect the fluid.
Note: If water leak / contamination is suspected, see Section 5 Troubleshooting,
heading “Water/Moisture in Pump Gearbox.” on page 65.
5. Either of these conditions indicates maintenance is required on the unit.
See Section 6b “Gearbox Service” on page 95.
Pump Mounting, Drive Line and Flange Bolts
Check all drive line, mounting and flange bolts to ensure:
❑ No bolts are missing
❑ All bolts are tight. Use a torque wrench to torque bolts to the drive train man-
ufacturer's recommended specifications.
❑ Bolts used are “Grade 5” strength minimum for mounting and “Grade 8” min-
imum strength for driveline.
Priming System Test (Dry Vacuum Test)
(Refer to NFPA 1901 or NFPA 1911 Standards)
1. Close all valves and drains. Cap all suction openings and the outlet of the
suction side relief valve (if so equipped).
Figure 4-1: Gearbox Oil Change Plugs