Harrington Hoists and Cranes Food Grade Supplement (ER2/MR2/PT) - Manual (Page 9)

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6.3.5 REPLACING OIL – Change gear oil at least once every 5 years. The oil should be
changed more frequently depending on the hoist's usage and operating environment. Refer to
Section 6.1.3. Follow the procedure below for replacing the gearbox oil for your hoist:
•
To drain the current oil from the hoist remove “Oil Plug” on top of the hoist and the “Oil
Drain plug” on the bottom of the hoist. Allow the old oil to drain completely. Refer to
Figure 6-4 for oil plug locations.
•

Dispose of the used oil in accordance with local regulations.
Figure 6-4 Oil Filling Diagram
•
Ensure that the oil plugs for the oil level check holes and the drain hole are reinstalled
and secured into the hoist body.
•
Refill the gear case with the correct quantity and type of new oil or until the oil level is
within the range shown in Table 6-6. Refer to Figure 6-4.
Table 6-6 Amount of Gear Oil
Capacity Code
Quarts Liters
NER2 NER2
003L/005L 0.57 0.54
010L 0.66 0.62
020L 1.37 1.30


Using an incorrect type/grade of gearbox oil or the wrong quantity of oil
may prevent the friction clutch from working properly and may affect the ability of the hoist to
hold the load. Only lubricants with NSF H1 compliance may be used in food grade hoists.
Refer to the following for the correct type of gearbox oil:
NER Gear Oil:
 Harrington standard: Nevastane SL 320 (Total Lubricants)