Hale Q Series Muscle - Manual (Page 82)

 Preventive Maintenance
80 MUSCLE (Midship) Pumps Installation, Operation, and Maintenance Manual
p/n: 029-0020-63-0
 Lubricating the power transfer cylinder, power shift cylinder, and shift control valve
with air cylinder oil.
Replace Gearbox Oil
1. Remove the drain plug (magnetic) and drain the gearbox oil into a suitable con-
tainer. For container size based on gearbox capacity, see “Lube and Sealant
Specifications” on page 187. Also see Figure 5-5: “Muscle Pump Service Chart,
Part 2 of 3” on page 89.
2. Have clean disposable shop rags and oil dry handy.
Note: Assembly orientation determines which plugs are used for oil fill, drain and level
detection. See installation plate drawings located at the back of this manual.
3. Examine the oil for contamination (e.g., water – turns the oil a milky color or set-
tles to the bottom). Also see Section 5 Troubleshooting, heading “Water/Moisture
in Pump Gearbox.” on page 101.
4. Properly dispose of the used oil.
5. Inspect the magnetic drain plug. If metal filings are present, visually inspect and
clean the internal components.
6. Clean the drain plug (magnetic).
7. Repair or replace gearbox components as necessary. See appropriate Section
for gearbox service.
8. Replace the cooler, if necessary.
9. Remove the oil fill plug and install the drain (magnetic) plug, using suitable thread
sealant.
10. Fill the gearbox with an approved gear oil until oil just begins seeping from the oil
level plug opening. For gearbox capacity, see “Lube and Sealant Specifications”
on page 187. Also see Figure 5-5: “Muscle Pump Service Chart, Part 2 of 3” on
page 89.
11. Install the oil fill plug using suitable thread sealent.
Relief Valve System Check
1. Place apparatus out of service in accordance with departmental procedures.
2. Test relief valve system in accordance with weekly maintenance check. Also see
heading “Weekly” on page 72.
3. If the relief valve is not working, clean the strainers as follows:
 Open pump compartment panel and locate the relief valve system strainer(s).