Page 16 December 2007
SJ 46A & SJ 46AJ
Component Identification Section 2 - Operation
2.5 Component Identification
The following descriptions are for identification,
explanation and locating purposes only.
2.5-1 Main Power Disconnect Switch
This main power disconnect switch is located in the
engine compartment near the battery.
1
Figure 2-1. Main Power Disconnect Switch
1. Main Power Disconnect Switch - This switch,
when in “
” off position, disconnects power to
all circuits. Switch must be in “ ” on position to
operate any circuit. Turn switch “ ” off when
transporting aerial platform.
2.5-2 Tilt Sensor
The tilt sensor is located inside the base control console.
It is designed to prevent driving when aerial platform is
on a slope greater than a predetermined limit.
WARNING
If aerial platform becomes tilted causing
alarm to sound, the platform must be fully
lowered immediately. Ensure that aerial
platform is on a firm level surface before
operating the aerial platform. Refer to
Section 2.15 for instructions regarding
recovery from an inclined position.
2.5-3 Drive Bypass Valve
This valve is located on the inboard side of the drive
pump and can be identified with a yellow paint mark
on it.
1
Figure 2-2. Drive Bypass Valve
Drive Bypass Valve with Override Stems 1.
- This valve, when loosened two revolutions
counterclockwise, is used to override drive relief
valves so that the aerial platform can be loaded or
unloaded from a trailer using a winch line.
2.5-4 Brake System
The brake system is located in the control compartment.
The brakes must be manually disengaged before
pushing, winching or towing. Refer to Section 2.13-1
for procedure on how to release brakes manually. The
system contains the following controls:
1
2
Figure 2-3. Brake System
1. Brake Auto Reset Valve Plunger
2. Brake Hand Pump
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