4-3: Operating Instructions
the IDLE throttle position. To do so will increase the risk of serious component or
engine damage.
START UP PROCEDURE
1. Perform all daily periodic maintenance as specied in this Owner’s Manual.
2. Connect a garden hose to supply water to the truckmount (see Figure 4-2). If the
Pump-In feature is used on your system, push the “PUMP-IN SYSTEM” switch to
the “ON” position.
3. Connect the cleaning wand or tool to the length of hose required to perform the
cleaning job.
4. Start the truckmount with:
a. The “THROTTLE” cable in the “IDLE ” position.
b. Pull the “CHOKE” cable out if the engine is cold.
c. The “PUMP CLUTCH” switch in the “OFF ” position.
5. After the engine starts, allow the truckmount to run in “IDLE ” for 2 - 3 minutes to
warm up. Gradually push on the “CHOKE” as the engine warms up.
Never perform cleaning opperation when the GTXR + is in the IDLE mode. Failure
to follow this caution may result in serious component or engine damage.
6. Pull the “THROTTLE” cable all the way out and lock into place.
7. Press the “PUMP CLUTCH” switch to engage the pump clutch for carpet cleaning or
upholstery cleaning as follows:
a. Switch to the “HP Only” if connected to a fresh water supply from a building.
b. Switch to the “HP On & Pump-In ON” if connected to a fresh water tank.
8. Set the “TEMPERATURE CONTROL” knob to the desired position.
9. If an automatic pump-out system option is included in your conguration, press the
“PUMP-OUT” switch to the “ON” position.
10. Adjust the “PRESSURE REGULATOR”, located on the left hand side of the machine,
to the desidred cleaning pressure level. Suggested Settings:
Carpet Cleaning: 300 - 400 psi
Hard Surface Cleaning: 1,000 psi of as indicated on the tool
11. Turn the “CHEMICAL SYSTEM” valve to the “PRIME” position to purge any air from
the system (see Figure 4-3).
a. With the truckmount running at full throttle, block off the vacuum intake to the
recovery tank. The vacuum gauge should read 14” Hg. This will assist in priming
the chemical system.
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