Diamond Products UDM - Manual (Page 13)

1. Turn on the master battery disconnect to
connect the circuit (the indicator light directly
below will light up when activated). Note: The
strobe light, spotlight, water pump, and rear
and front raise/lower cylinders will operate with
the engine off and master battery disconnect
on. Be careful not to drain the battery when
using these items with the engine off and
battery connected.
2. Turn off the master battery disconnect to
disconnect the circuit.
Engine
• DO NOT leave the engine running unattended.
Operate the machine in well-
ventilated areas. Concentrated
engine exhaust can cause loss of
consciousness and/or death.
Refer to the engine manual as the primary source
for information regarding the engine.
Tasks Prior to Starting the Engine
Complete the tasks listed below prior to starting the
engine to ensure a proper start.
• Check fluids and fill to appropriate levels.
• Turn off controls and switches.
• Pull out emergency stop buttons.
• Set engine throttle to Min.
• Remove tools from work area.
• Raise core bit off ground.
Starting the Engine
1. Open the fuel shutoff valve.
2. Move the function switch to Start/Drive. Close
the choke on the engine (not required on warm
engine).
3. Turn on the master battery disconnect.
4. Increase the throttle by 1/3.
5. Insert the ignition key, turn to Start, and release
when the engine starts. If the engine doesn’t
start, release the key and try again after 10
seconds. Note: Refer to the engine manual if
the engine doesn’t start after several attempts.
6. Gradually open the choke as the engine warms
up.
7. Increase the throttle on the engine to Max.
Stopping the Engine
• DO NOT leave the machine unattended
until the engine is off and the core bit has
stopped spinning.
1. Turn off all switches/controls.
2. Move the function switch to Start/Drive.
3. Decrease the throttle to Min.
4. Turn the ignition key to Off and remove the key.
Drive Lever
When driving the machine forward
or backward, be alert to the
surrounding environment to avoid
harming yourself, others, or the
machine.
The drive lever moves the machine at variable
speeds based on its position. The maximum driving
speed with the engine running is ~3.25 mph. Use the
handlebars to lift the rear tires off the ground and
pivot, push, or pull the machine manually.
1. Move the function switch to Start/Drive.
2. Push the drive lever down to move the machine
forward. Release the lever to stop.
3. Pull the drive lever up to move the machine in
reverse. Release the lever to stop.
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