Bil-Jax 3632T, Operator'S Manual

BIL-JAX 3632T 

The hydraulic power unit uses a 24-Volt, one 
horsepower DC motor to drive the hydraulic pump.

The DC motor is powered by four 6-Volt DC, 245 
Amp-hour deep charge batteries connected in 
series. An automatic onboard battery charger is 
provided with standard models for recharging the 
batteries at the end of each work period.  

Two control panels (Figure 2-2) use pushbutton 
switches and hydraulic valves to control the direction 
and speed of boom lift and rotation. One set of 
operator controls is provided for ground operation 
and another set is provided for operation from the 
platform. Elevation and rotation controls are 
operational only when the outriggers are correctly 
extended and the moving boom section is within a 
programmed safe operating zone. 

Figure 2-2.  Boom Lift Control Panel (Ground) 

The ground and platform control panels include 

CHOKE

 and 

START 

buttons for use with boom models 

equipped with an optional DC/gasoline hybrid 
generator for continuous duty. Battery condition 
indicators show the charge state of the batteries. 
When pressed, a 

STOP

 button at each control panel 

immediately stops all boom motions. The ground 
control panel includes a lighted text window that 
displays the present operating status or an existing 
error condition. The platform control panel includes a 
horn button that sounds an audible alarm when 
pressed. 

Boom elevation, extension and rotation speeds are 
selected from low to high by 

SPEED

 buttons. The lift 

and extension cylinders have load-holding valves in 
the base of each cylinder in case of a hydraulic hose 
failure.  

Only one boom motion is permitted at a time and 
only as long as the boom is within the safe operating 
zone (Figure 2-3). When a selected boom motion 
exceeds a safe operating limit, the boom motion 
ceases and another boom motion must be selected 
within the safe operating zone. 

Figure 2-3.  Range of Motion

Outrigger load sensing switches and level sensing 
interlocks prevent all platform boom operations until 
the four outriggers are properly extended, the trailer 
is level and the full weight of the boom lift is loaded 
onto the outriggers. A boom-raised interlock 
prevents outrigger operation until the platform boom 
is fully lowered to the stowed position. 

Safety devices prevent the boom from retracting 
suddenly in the event of a hydraulic hose or system 
failure.

It is strongly recommended that no one 

adjust or tamper with these safety devices. If service 
is required, please notify Bil-Jax for instructions. 

Each cylinder rod is fully immersed in oil to prevent 
rust or corrosion of the cylinders during storage. It is 
important that the cylinder rods be kept clean and 
undamaged for the protection of the cylinder head 
packings. 

In the event of power loss, control system failure or 
other malfunction, all boom movement functions may 
be accomplished by manual operations. 

Manual lowering of the platform is performed by 
actuating a valve plunger found on the base of the 
boom lift cylinder. Pulling and holding the valve 
plunger retracts the boom lift cylinder. The boom 
may need to be rotated to a clear area before 
lowering.  

Manual boom retraction and turntable rotation are 
accessed inside the pump compartment. The hand 
pump and selected valves on the hydraulic pump 
unit are used for these functions.

10