Maintenance Section
G 87
Cold Storage Applications
When an electric lift truck is operated in cold
storage applications, at temperatures as low as -
20°C (-4°F), the battery capacity is decreased.
Operation at cold temperatures can also cause
mechanical failures, short circuits and too much
wear due to the formation of ice crystals.
The direct cause of these problems is the extreme
changes in temperature in combination with
humidity in the air which can result in condensation.
To protect the electric lift truck’s components and
decrease the effects of the cold temperature,
perform the following items before you put the lift
truck to work in cold storage applications.
Battery
There is a reduction in battery capacity in cold
storage applications. For this reason, it is important
to:
a. Be sure the battery is completely charged at the
start of each work cycle.
b. If possible, keep the lift truck in a warm storage
area when it is not in use.
c. Do not store a discharged battery at below
freezing temperature.
G
G
Observe the battery discharge indicator frequently
Hydraulic System
Drain the hydraulic system and fill it with SAE 5.
MIL-H-5606A hydraulic oil
Lift Chains
1. Remove the chains Clean them in a
nonflammable cleaning solvent.
2. Put the chains in molybdenum disulfide
(MPGM) grease for one hour. Then, before
installation, hang the chains, where they will not
move, for three hours.
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