Harrington Hoists and Cranes GT Trolley - Manual (Page 58)

6.0 Maintenance & Handling
6.1 Lubrication
6.1.1 Lubricate the following trolley components with NLGI (National Lubricating Grease Institute) #2 or
equivalent grease.
6.1.2 Track Wheel Gear – Clean and re-grease the Track Wheel gears and Hand Wheel output pinion every
three months (more frequently for heavier usage or severe conditions). Do not use an excessive
amount of grease and avoid getting any grease on the running surfaces of the Track Wheels or the
beam.
6.1.3 Trolley Wheel Bearings do not need to be lubricated and must be replaced if worn or damaged.
6.1.4 Suspension Pins, Bolts and Shafts – Grease at least twice per year for normal usage (more frequently
for heavier usage or severe conditions).
6.2 Storage
6.2.1 The storage location should be clean and dry.
6.3 Outdoor Installation
6.3.1 For trolley and hoist installations that are outdoors, the trolley and hoist MUST be covered and
protected from the weather when not in use.
6.3.2 Possibility of corrosion on components of the trolley increases for installations where salt air and high
humidity are present. The trolley may require more frequent lubrication. Make frequent and regular
inspections of the unit's condition and operation.
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