24
Installation
Initial Operational Settings
NOTE: Due to temperature and altitude changes, the
optimal settings for each truckmount must be
adjusted after installation. Failure to make these
adjustments may lead to poor unit performance and
premature component failure.
Vacuum Pump
The maximum vacuum pressure obtainable at full
throttle should be 13"Hg. If the unit is drawing a
stronger vacuum (at full sealed suction) than 13" Hg,
adjust the vacuum relief spring to 13" Hg.
Engine
Set RPM Values as shown below. Refer to Engine
Operation Manual for adjustment instructions.
*±50 rpm tolerance
THROTTLE LOAD RPM*
Idle None 1400 rpm
Full
13" Hg. Vacuum
500 psi pressure
2850 rpm
Full None 2950 rpm
86411060 Manual Operators - Legend GT
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