Assessments - 3, GPA: 4
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6. ALWAYS observethe followingCAUTIONSto avoid costly damageto the pressure washer. CAUTION DO NOT allow the pressure washerto idle for morethan 10 minutes. Doingso may causethe recirculating water to overheat and seriously damage the pump. Tumoff the pressure washer if it will not be spraying or cleaning at least every10minutes. If heated inlet water is used, reduce this time further. DO NOT run the pumpdly. which will quickly damage the pump.Be sure the water supplyis fully tumed on before starting the pump. DO NOT pump caustic materials; such materials may corrode the pump components. 7. See the chemical injector or sandblaster kit manual for detailed cleaning information if these accessories are used. 6 308-533 Trigger Safety Latch WARNING To reduce the risk of serious bodily injury, includingfluid injection, splashinginthe eyes or on the skin,ALWAYS engage the trigger safelylatch whenever spraying stops, even for a moment. in the engaged position, the trigger safety latch prevents the gun from being triggeredaccidentally by hand or if it is dropped or bumped.Be surethe latch is pushed fully down when engaging it or it cannot prevent the gunfrom being triggered. See Figure 2. TRIGGER SAFETY LATCHSHOWN ENGAGED TRIGGER SAFETY LATCH SHOWN DISENGAGED Figure 2 Installing and Changing Spray Tips WARNING To reduce the risk of serious bodily injury, including fluid injectionor splashing inthe eyes or onto the skin, use extreme caution when changing spray tips. ALWAYS follow the procedure below. 1. Follow thePressure Relief Procedure. 2. Point the gun and wand away from yourself and anyone else. 3. Without holding your hand Over the spray tip(A), pull back the quick coupler ring (B), remove the tip and then release the ring. See Figure 3. 4. Be sure the tip is secure before startingto sprayagain. 5. Tip holding holes are provided on the chassis To avoid blowing the O-ring out of the quickcoupler, dueto the high pressure in the system, never operate the pressure washer withouttipa securely mounted in the quick coupler. Flgure 3 308-533 7 ~ ~~~~~ ~~ - .~ SHUTDOWN, FLUSHING AND STORAGE 1. Ifthe pressure washer will be exposed to freezing WARNING temperatures, drain all water out of the pump. If it PRESSURE RELIEF PROCEDURE must be stored in freezing temperatures, flush the To reduce the risk of serious bodily injury, unit with a 50% anti-freeze solution. Relieve including fluid injection and splashingin the pressure. Flush the pressure washer beforeusingit eyes, or on the skin, always follow this again to remove the anti-freeze. procedure whenever you stopsprayingformorethan 10 minutes, when shutting down, and CAUTION before checking or repairing any part of the If water does freeze in the pressure washer, system. thaw it in a warm room before trying to startit. DO NOT pour hot water on or into the pump; it 1. Engage the trigger safely latch. 2. TUm the sprayeroff. 2. After each use, wipe all surfaces of the pressure 3. Disconnect the electrical supply. washer with a clean, dampcloth. 3. Perform the appropriate maintenance. See the 4. Shut off the water supply. maintenance chart. 5. Disengage the trigger safety latch and trigger the gun to relieve pressure, and then engage the trigger safely latch again. 6. Before long-term (overnight) storage, disconnect the water supply and disconnectthe electricity. MAINTENANCE Observing regular maintenance intervals helps ensure Interval What to do that you get maximum performance andlife from the pressure washer. Daily Clean waterinlet screen and filter. Check pump oil level. Fill There is a break-in period for the pump. After changing as necessary. the oil initially, the interval between required changes is longer. After first50 Change pump break-in oil. Use hours of SAE 20 or 30 non-detergent oil. WARNING operation To reduce the risk of serious bodily injury, Each 500hours Change pump oil. Use SAE 20 or including fluid injection, splashing in the eyes or of operation or 30 non-detergent oil. on the skin or injury from moving parts, always follow the Pressure Rellef Procedure Wamlng 6 months before proceeding. . TROUBLESHOOTING CHART WARNING To reducethe risk of serious bodily injury, Including fluid injection, splashingin the eyesor on the skin, or injury frommoving parts, always follow the Pressure Relief Procedure Warning beforeproceeding. PROBLEM CAUSE Low pressure andlor Wom or wrong sizetip.IpumpNnS rough InletI filter clogged. 1 Water leakage from under wmo manifold " ~ v-r ~ ~~ Water in pump Frequent or prematurefai'ure Of the packings I I Wornpackings, abrasivesinwater M natural wear. Inadequate water supply. Belt slippage. Fouled ordirty inlet or discharge valves. Evena small particle cancausethe valve to stick. Restricted inlet. Worn inlet or discharge valves. Leaking high pressure hose. . . . Wom packings. Humid air condensing inside crankcase. Worn packings. Oil seals leakino. Scored.damaged or wom plungers. Abrasive materialinthefluidbeing pumped. Inlet water te...
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