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3300 psi (22.8 MPa, 228 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual and in gas engine manual. Save these instructions. GMAX 3400 Model: Standard ✓ 16W863 GMAX II 3900 Model: Standard ProContractor Lo-Boy RentalPro 360G ✓...
Check hoses and parts for signs of damage. Replace any damaged hoses or parts. • This system is capable of producing 3300 psi (22.8 MPa, 228 bar). Use Graco replacement parts or accessories that are rated a minimum of 3300 psi (22.8 MPa, 228 bar).
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Warning WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component. See Technical Data in all equipment manuals.
Setup Convertible Models Only: 5. Look through side vent holes and ensure drive belt is in motor pulley. Change Engine to Motor 1. Disconnect engine power cord. ti5772a 6. Secure motor with tension bar. ti5774a 2. Release tension bar. ti5775a ti5775a 3.
Startup Startup c. Set throttle to fast. 1. Place suction tube and drain tube in grounded metal ti5250a pail partially filled with flushing fluid. Attach ground wire to pail and to earth ground. d. Set engine switch to ON. ti5262a ti14844a 5.
™ WatchDog Protection System (ProContractor and Ironman units only) Clearing Tip Clogs ™ WatchDog Protection System (ProContractor and Ironman units only) Pump stops automatically when material pail is empty. To avoid injury, never point gun at your hand or into a To Activate: rag! 1.
Hose Reel (ProContractor units only) Hose Reel (ProContractor units only) 3. Pull reel handle down and turn clockwise to reel in hose. To avoid injury, keep your head clear of hose reel while winding up hose. 1. Make sure hose is routed through hose guide. ti22745a NOTE: The hose reel can be locked into two posi- tions: Usage (A) and Storage (B).
Digital Tracking System (ProContractor and Ironman units) Digital Tracking System (ProContractor and Ironman units) Operation Main Menu Job Gallons Short press to move to next display. Press and hold (5 1. Short press DTS button to move to Job Gallons (or seconds) to change units or reset data.
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Digital Tracking System (ProContractor and Ironman units) Secondary Menu - Stored Data and WatchDog Pump Protection Modes 1. Perform Pressure Relief, steps 1 - 4 if they have 7. Short press DTS button. W-DOG scrolls past then not already been done. OFF displays if watchdog switch is OFF.
Cleanup Cleanup 3. Pull rope to start engine. 1. Perform Pressure Relief Procedure (page 10), steps 1 - 4. Remove siphon tube set from paint and place in flushing fluid. Remove tip guard from gun. ti5263a 4. Turn pump switch ON. Turn prime valve forward to SPRAY position.
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Cleanup 9. Raise siphon tube above flushing fluid and run 12. If flushing with water, flush again with mineral spir- sprayer for 15 to 30 seconds to drain fluid. Turn its, or Pump Armor, to leave a protective coating to pump switch and engine OFF prevent freezing or corrosion.
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
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