PAGE 22 — STXDF TROWEL • SETUP, ADJUSTMENTS AND CALIBRATIONS — REV. #0 (11/05/18)
MACHINE SETUP AND CALIBRATION
3. Increase engine rpm to full operating RPM.
4. Loosen 3/4" jam nut on steering valve (Figure 33).
Figure 33. Steering Pressure Adjustment
5. Using a 1/4" allen wrench, adjust the small hex nut
within the larger hex jam nut.
6. Adjust to proper steering pressure:
290 psi ± 10 psi
7. Retighten jam nut.
8. Return engine to idle.
9. Turn off machine.
10. Record Pressure on Machine Information and
Maintenance Log.
CALIBRATE PUMP STROKE
1. Turn machine off for at least 10 seconds.
2. Restart machine.
3. Click “Calibration” button on machine setup page.
3/4” JAM NUT
1/4” HEX NUT
CAUTION
Machine movement will occur during this step. Ensure
machine is secure or operator is present in seat. All
guards should be in place. Keep fingers, hands, hair,
and clothing away from all moving parts to prevent injury.
4. Click “Stroke Calibration Screen” button in PUMP
STROKE section (Figure 34).
Figure 34. Calibrate Pump Stroke
5. Ensure foot pedal is fully released.
6. The operator must be on the unit to steer as needed.
Have a second person press the “Start Pump
Calibration” button (Figure 35) and indicate to the
operator what the prompts are on the screen. The unit
will slowly stroke pumps until both rotors start to turn,
8 times in a row, during this calibration.
Figure 35. Start Pump Stroke Calibration
7. Click "Safe to Start" after verifying that the machine is
in a safe position to turn rotors.
8. Once machine is calibrated, record values.