Part No. MAN, Rev. EH. Wachs 7. Place the hose clamp around the hose engage the latch and tighten it. Figure 5-13. Attach the hose to the wand using the hose clamp. 8. Start the engine. Follow the instructions in Starting and Running the Engine earlier in this chapter. 9. Before turning on the vacuum blower, ensure that the wand is held off the ground and away from any objects. Set the engine throttle to low speed before turning on the pressure washer or vacuum blower. 10. At the control panel, turn the Vacuum/Pressure Washer switch to the VAC position. The vacuum blower will engage. Figure 5-14. Turn the Vacuum/Pressure Washer switch to the VAC position. NOTE
Chapter 5, Operating Instructions Vacuum System Operation E.H. Wachs Part No. MAN, Rev. 1-0809 57 When using the pressure washer to aid in vacuuming, turn the Vacuum/Pressure Washer switch to the BOTH position. Figure 5-15. To use both the washer and vacuum, turn the Vacuum/Pressure Washer switch to the BOTH position. Monitor the pressure on the vacuum gauge while operating the vacuum. 12. Vacuum the work site to remove the water or debris. Note the following guidelines when operating the vac- uum: - When vacuuming water, do not submerge the tip of the wand. Skim the surface of the water with the wand to prevent opening the vacuum relief valves. - Monitor the vacuum pressure. Normal operation should have a vacuum level of about 5”. If the filter or wand is clogged, the vacuum will rise to 11”. Shut the vacuum off and check the filter, wand, and hose. - Vacuuming dry debris maybe easier if the pressure washer is used to wet the material into a slurry. - The pressure washer maybe used to dig around hydrants or other equipment to loosen and remove material.