16
Figure 12, Oil Level Indicator
FULL
ADD OIL
(See Figures
13 & 14)
OVERFILLED
10.3 Adding Oil
1. Be sure that hydraulic cylinder or tool is fully retracted.
2. Be certain that pump is o and that all hydraulic pressure is
fully relieved. Refer to Section 8.0 for additional information.
3. Disconnect pump AC power cord from electrical outlet.
4. Disconnect hydraulic hose(s) from pump.
5. With the pump in the normal (horizontal) operating position,
check the oil level in the oil level indicator. Use the diagram
in Figure 14 to determine the approximate amount of
additional oil that must be added.
6. Place the pump on a stable and level work surface, with the
front cover facing UP, and the rear cover supported by the
work surface. See Figure 13.
7. Using a clean rag, remove any dirt from the area around the
hydraulic reservoir drain/fill plug. Remove the drain/fill plug.
• Refer to Section 10.1 for oil specifications. Use only new oil
poured from a clean container.
• Always use a funnel when adding oil. To avoid spillage and to
ensure that pump internal venting functions properly during
filling, funnel neck outer diameter must not exceed ½ inch [12
mm] or be less than ¼" [6.3 mm]. Refer to Figure 13.
• Add oil only with the pump front panel facing up, and with the
pump positioned on a level surface.
• When the maximum oil level is achieved, an internal overflow
tube will direct oil to the concentric vents located around the
oil drain/fill port. Stop adding oil immediately when oil begins
flowing from these vents. Wipe up any spilled oil with a clean
rag.
• Do not tilt or reposition the pump when adding oil. Overfilling
and oil leakage will result.
• Remove and dispose of any spilled oil in accordance with all
applicable laws and regulations.
Figure 13, Adding Oil
Oil
Drain/Fill
Plug
FILL POSITION
Funnel
(user-supplied)
Oil
Drain/Fill
Port
1/4" - 1/2" Dia.
[6.3-
12.7 mm]
8. Slowly pour new oil into the reservoir through the oil drain/
fill port. Continue pouring until excess oil begins flowing
from the concentric vents around the oil drain/fill port. This
indicates that the reservoir is full.
9. After adding oil, wipe the oil drain/fill plug with a clean rag
and reinstall it. Torque to 13-16 ft-lb [17.6-21.7 Nm].
10. Place the pump in the normal (horizontal) operating position,
with the carrying handle facing up.
11. Check the oil level indicator. Verify that the oil level is up to
the FULL mark and that the reservoir is not overfilled. Refer
to Figure 12.
• If the pump was previously operated with a very low oil level
or run until the reservoir was emptied, perform the pump
priming/air purging procedure before using the pump. Refer
to Section 10.5.
• If reservoir is accidentally overfilled (oil level above full mark),
drain excess oil before using the pump. Oil may leak from the
reservoir air breather if overfilling occurs.
10.4 Oil Change
1. Be sure that hydraulic cylinder or tool is fully retracted.
2. Be certain that pump is o and that all hydraulic pressure is
fully relieved. Refer to Section 8.0 for additional information.
3. Disconnect pump AC power cord from electrical outlet.
4. Disconnect hydraulic hose(s) from pump.
5. Place the pump on a on a stable and level work surface.
6. Place a suitable pan or container of appropriate capacity
under the oil drain/fill plug.
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