11ASSEMBLY CAUTION:• Always be sure that the tool is switched off andunplugged before carrying out any work on the tool.Installing or removing diamond wheelHold the outer flange with the wrench and loosen the hexsocket head bolt clockwise with the hex wrench. Thenremove the hex socket head bolt and outer flange.Install the diamond wheel, outer flange and hex socket headbolt onto the spindle. Hold the outer flange with the wrenchand tighten the hex socket head bolt counterclockwise withthe hex wrench. BE SURE TO TIGHTEN THE HEX SOCKETHEAD BOLT SECURELY.CAUTION:• Use only the Makita wrench to install or remove thewheel.Pressure regulator assemblyUse the pressure regulator assembly to connect to watersource. It consists of the following parts.1. Wrench 222. Hex wrench120035281. Inner flange2. Diamond wheel3. Outer flange4. Hex socket head bolt2 3 41003529Part namePressure regulatorAdaptorVinyl tubeWater pipeDescriptionPreset at about 15 psi.3/4” female hose thread (inlet) x 3/4” male hose thread (outlet)Flow capacity: Maximum 390 GPH, minimum 10 GPHInlet pressures: Maximum 100 psi, minimum 25 psi.For connecting 1/4” vinyl tube to a faucet3/4” swivel x 1/4” adaptor1/4” in outer diameter x 11/16” in inner diameter x 18” in lengthFor adjusting the amount of water flow