MAINTENANCE
5-47
SY500H Excavator OMM
Collect a Final Drive Oil Sample
1. Start the engine and operate the machine for all
systems to reach normal operating temperatures.
2. Park the machine on a flat, level surface, placing the
oil drain plug on the final drive cover at the bottom,
and the oil level mark parallel with the ground.
3. Prepare the machine for service. See “Maintenance
4. Remove any dirt from the area around the check
plug. See “Check and Add Final Drive Oil” on
page 5-47.
5. Slowly loosen the check/fill plug to relieve pressure
within the final drive.
6. Remove the check/fill plug.
7. Insert the oil sample tube into the check plug hole.
8. Collect a sample of oil from the final drive.
9. Remove the oil sample tube.
10. Make sure the oil level is within operating range.
11. Install the check plug.
NOTE:
Follow the instructions included with the sample
kit to send the sample for testing.
Check and Add Final Drive Oil
CAUTION
• Allow the final drive to cool before servicing. Hot
oil may cause burns or other serious injury.
• Wear safety goggles, gloves, and other personal
protective equipment (PPE) to prevent serious
injury.
• The final drive oil may be under pressure.
Remove the plugs slowly to prevent injury
Failure to follow these precautions could result in
death or serious injury.
0004729
Figure 5-95
1. Position the machine on a firm, level surface. Make
sure the oil level line (2) is parallel with the ground
and the arrow is pointed up.
2. Prepare the machine for service. See “Maintenance
3. Turn the battery disconnect switch to OFF. See
“Battery Disconnect Switch” on page 3-15.
4. Remove dirt and debris from around the filler plug
and drain plug.
5. Remove the fill plug (1) slowly to relieve system
pressure.
6. Make sure the oil level is within 0.4 in. (10 mm) of the
bottom of the fill plug hole.
NOTE:
For the oil capacity of the final drive, see
“Location, Capacity, and Type” on page 5-6.
NOTICE!
• Never mix fluids of different types or viscosities
(weights), and never overfill the system you are
servicing.
• Overfilling the final drive case may damage the
case seals. This could result in machine damage
and improper machine operation.
7. If the oil level is low, add oil through the fill plug hole
until the level is within 0.4 in. (10 mm) of the bottom
of the fill plug hole.
8. Replace the O-ring on the fill plug.
9. Install and tighten the plug.
10. Check for external leaks.
NOTICE!
If oil leaks are found during the inspection, stop
the inspection and locate and repair the cause of
the oil leaks. Failure to do so could result in
machine damage and improper machine
operation.
Check the Final Drive Motor Mounting
Fasteners
1. Prepare the machine for service. See “Maintenance
2
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Summary of Contents for SY500H
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