TM
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
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
