Owner's manual
- 2 -
U.S. PATENT 7,210,336
19380
19242
High suction can cause
serious injury.
WARNING
Keep all body parts away
from vacuum ports.
SENSOR STAND PLUG
Engine will not run unless
sensor is plugged in
19240
19259
OPERATING INSTRUCTIONS
1. Ensure gas concentration in work area is safe for open ig-
nition sources. DO NOT use machine in areas that are un-
safe.
2. Open bypass valve fully, close all vacuum supply valves on
canister, open valves on probes.
3. Plug sensor lead into socket below engine control box.
4. The Wait to start light will light during the sensors 4 minute
warm-up routine. Engine will not run until this period is
complete.
5. Start engine. If cold, wait for glowplugs.
6. Warm up engine at idle.
7. Run engine speed up to appoximately 30%.
8. While watching LEL percent on sensor, slowly begin opening
vacuum supply valve.
NOTE: Gas stream through the VEU must remain below 25%
LEL. If Low alarm is triggered, close vacuum supply
valve, open bypass valve, and start again. If High alarm
is reached, engine will shut down. Press Reset
button, and start at step 5.
9. After vacuum supply valve is open fully, run engine up to full
throttle, and begin to close bypass valve. See note above.
10. After bypass valve is closed fully, run engine as needed to
evacuate ground of gas.
11.If desired, turning off individual probes can help locate leak.
12.Before shutting down engine, allow it to Idle 1-2 minutes to
cool.
13483
CAUTION
Wear approved hearing protection,
foot protection, eye protection and
head protection.
STOP
Read the Operating Instructions
before operating this piece of
equipment.
Keep unauthorized and untrained
people away from this
equipment.
ROTATING & MOVING PARTS!
Make sure all guards and safety
devices are in place.
Failure to comply could result in serious
bodily injury.
SHUT OFF the motor before servic-
ing or cleaning.
DO NOT RUN in an enclosed area.
The engine produces carbon
monoxide, a POISONOUS GAS.
DIESEL
FUEL
01623
19257
DO NOT expose sensor to shock or
vibration.
Allow sensor to finish warm-up cycle prior
to use.
Calibrate sensor prior to first use, and as
directed by manual
CAUTION
Safety Decals
20241
19380
20239
20242
19242
19240
19259
20240
13483
19257
(ON SENSOR STAND)
01623
(ON FUEL TANK)
20123