5-2
Published 9-04-2014, Control # 422-08
HOIST AND COUNTERWEIGHT RT765E-2 SERVICE MANUAL
MAINTENANCE
Warm-up Procedure
A warm-up procedure is recommended at each start-up and
is essential at ambient temperatures below 40°F (4°C).
The prime mover should be run at its lowest recommended
RPM with the hydraulic hoist control valve in neutral allowing
sufficient time to warm up the system. The hoist should then
be operated at low speeds, forward and reverse, several
times to prime all lines with warm hydraulic oil, and to
circulate gear lubricant through the planetary gear sets.
Hoist Area Access
Use the hoist access platform (1) (Figure 5-1) when working
in the hoist area.
WARNING
Failure to properly warm up the hoist, particularly under
low ambient temperature conditions, may result in
temporary brake slippage due to high back pressures
attempting to release the brake, which could result in
property damage, severe personal injury or death.
WARNING
Platform must not be used for hauling passengers as
death or serious injury could occur.
No storage of components are allowed on the platform.
Only one person at a time is allowed on the platform.
FIGURE 5-1
1
Working Configuration
7451-2
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