Simpson ALH4240 Use And Care Manual page 31

Pump Maintenance
Note: The pump was filled with oil at the factory. The preferred oil is SIMPSON
Pump Crankcase Oil. If this oil is not available, an SAE 15W-40 oil may be used. Change
the oil after the first 50 hours of operation and every 100 hours thereafter or every 3 months.
1. Oil sight glass
2. Oil fill plug / vent cap
3. Oil drain plug (not shown)
How to change the pump oil
1. Loosen the pump oil fill plug / vent cap.
2. Place a container under the oil drain plug.
3. Remove the oil drain plug.
4. After the oil has drained, insert the oil drain plug; tighten securely.
5. For AAA pumps, refill with SIMPSON
®
available, an SAE 15W-40 oil may be used.
For CAT Pumps
6. Make sure the oil level meets but does not exceed the dot in the center of the sightglass.
7. Insert the oil fill plug; tighten securely.
*** CAT Pumps ® is a registered trademark of Diversified Dynamics Corporation.
Page 28
***, refill using a non-detergent hydraulic oil (ISO68).
®
2
Premium Pump Crankcase Oil. If this oil is not
®
® Premium
3
1