AIRLESSCO GS950 Operation - Repair - Parts Download Page 1

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3A4108F

Operation/Repair/Parts

GS950 Airless Sprayers

For professional use only.

Not approved for use in European explosive atmosphere locations.

For the application of architectural paints and coatings.

3300 psi (22.7 MPa, 227 bar) Maximum Working Pressure

Important Safety Instructions

Read all warnings and instructions in this manual and in related manuals.

Be familiar with the controls and the proper usage of the equipment.

Save these instructions.

Related Manuals:

3A4133

Gun

3A4347

Pump

ti29064a

Summary of Contents for GS950

Page 1: ...r the application of architectural paints and coatings 3300 psi 22 7 MPa 227 bar Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual and in related...

Page 2: ...17 Fluid Pump Runs Constantly 21 Control Board Malfunction 22 Error Code Section 23 Control Board Malfunction Steps 24 Pinion Assembly Clutch Armature Clamp 25 Pinion Assembly Clutch Armature Removal...

Page 3: ...tilated area Do not fill fuel tank while engine is running or hot shut off engine and let it cool Fuel is flammable and can ignite or explode if spilled on hot surface Eliminate all ignition sources s...

Page 4: ...o clean Equipment maintains pressure after power is shut off Do not leave the equipment energized or under pressure while unattended Follow the Pressure Relief Procedure when the equipment is unattend...

Page 5: ...ed and approved for the environment in which you are using it Use equipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp edg...

Page 6: ...ing securely you could fall and be seriously injured PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury including eye injury heari...

Page 7: ...ion Standard Models GS950 A Engine ON OFF Switch B Grounding Clamp C Pump On Off Switch D Pressure Control E Prime Valve F Gun Trigger Lock G Strainer H Pump J Engine Controls K Drain Hose L Easy Out...

Page 8: ...of 500 ft 150 m combined hose length to ensure grounding continuity Check electrical resistance of hoses If total resistance to ground exceeds 29 megohms replace hose immediately Spray gun Ground thro...

Page 9: ...n spraying texture remove inlet strainer and filter bowl screen when spraying materials 5 Fill throat packing nut with TSO to preventprematurepacking wear Do this each time you spray 6 Check engine oi...

Page 10: ...th ground 2 Turn prime valve down to DRAIN position Turn pressure control counterclockwise to lowest pressure 3 Set pump switch OFF 4 Start Engine a Move fuel valve to open b Move choke to closed c Se...

Page 11: ...hing pail Trigger gun and increase fluid pressure slowly until pump runs smoothly Inspect fittings for leaks Do not stop leaks with your hand or a rag If leaks occur turn sprayer OFF immediately Perfo...

Page 12: ...12 3A4108F Tip Guard Assembly 1 Perform Pressure Relief Procedure page 8 2 Engage gun trigger lock Insert seat and seal using end of finger hold 3 Insert tip 4 Screw assembly onto gun Tighten ti29114a...

Page 13: ...surface Spray back and forth Overlap by 50 Trigger gun after moving and release before stopping Clearing Tip Clogs 1 Release trigger engage trigger lock Rotate tip Disengage trigger lock Trigger gun...

Page 14: ...for water base paint mineral spirits for oil base paint or other solvents recommended by manufacturer 2 Start Engine a Move fuel valve to open b Move choke to closed c Set throttle to fast d Set engi...

Page 15: ...d to SPRAY position Trigger gun into flushing pail to purge fluid from hose 9 Raise siphon tube above flushing fluid and run sprayer for 15 to 30 seconds to drain fluid Turn pump switch and engine OFF...

Page 16: ...rod and premature wear of packings and pump corrosion AFTER THE FIRST 5 HOURS OF OPERATION Drain engine oil and refill with clean oil Reference Briggs Stratton Engines Owner s Manual for correct oil v...

Page 17: ...efill gas tank Engine oil level is low Try to start engine Replenish oil if necessary Spark plug disconnected or damaged Connect spark plug cable or replace spark plug Engine is cold Use choke Oil is...

Page 18: ...arts Drive housing is worn or damaged See Parts Electrical power is not energizing clutch field See Parts With pump switch ON and pressure turned to MAXIMUM use a test light to check for power between...

Page 19: ...r see gun manual Large pressure drop in hose with heavy materials Use larger diameter hose and or reduce overall length of hose Use of more than 100 ft of 1 4 in hose significantly reduces performance...

Page 20: ...are worn Replace pump packings see pump manual Paint is too thick Thin the paint according to the supplier s recommendations Engine speed is too high Decrease throttle setting before priming pump see...

Page 21: ...roper fluid pump manual for the sprayer for further troubleshooting procedures YES Disconnect clutch wires from control board see diagram page 24 Does the pump stop running Mechanical problem in the c...

Page 22: ...o step 1 Does switch test positive NO Replace the switch Go to step 3 Is 10 12 VDC present YES Go to step 4 Is 1 3 Ohms reading present YES Mechanical problem Repair or place clutch pinion assembly NO...

Page 23: ...hose is used Sprayer stops Engine is running Pressure transducer faulty bad connection or broken wire 1 Check transducer connection 2 Disconnect and reconnect transducer plug to ensure good connection...

Page 24: ...h and set meter to DC volts J1 CONTROL BOARD J2 Engine Generator 12 20AC V ti29063a STEP 4 Turn engine OFF and unplug clutch wires Set meter to Ohms STEP 5 Turn engine ON and turn switch ON BEEP Pump...

Page 25: ...screws 71 and swing down cover 70a b Disconnect engine leads from board to engine c Remove strain reliefs 70r and 130 3 Remove four screws 36 and pinion assembly 29 4 Place pinion assembly 29 on bench...

Page 26: ...e drive shaft 5 Install four screws 23 and lock washers 24 with torque of 125 in lb Pinion Assembly 1 Check o ring 29d and replace if missing or damaged 2 Tap pinion shaft 29a in with plastic mallet 3...

Page 27: ...1 Install engine shaft key 18 2 Tap clamp 22 onto engine shaft A Maintain dimension shown note 2 Chamfer must face engine 3 Check dimension Place rigid straight steel bar B across face of clutch hous...

Page 28: ...21 54 55 124 123 Part Specifications Ref Instruction Torque to 115 135 in lb 12 9 15 2 N m Torque to 70 80 ft lb 94 9 108 4 N m Torque to 130 150 in lb 14 6 16 9 N m Torque to 17 23 ft lb 23 0 31 1 N...

Page 29: ...2 56 57 54 244240 HOSE coupled includes 55 1 55 241920 DEFLECTOR threaded 1 56 180131 BEARING thrust 1 57 107434 BEARING thrust 1 59 100214 WASHER lock 4 60 108842 SCREW cap hex hd 4 61 119420 WHEEL p...

Page 30: ...70c 117317 SCREW plastite pan head 4 70d 256219 POTENTIOMETER 1 70e 198650 SPACER shaft 1 70f 116752 SWITCH rocker 1 70h 116167 KNOB potentiometer 1 70n 17M492 LABEL brand 1 70r 119545 BUSHING strain...

Page 31: ...ain includes 22a 22b 1 25 15C780 HANDLE 1 26 15C972 PIN grooved 1 27 196177 NIPPLE adapter 2 28 15C766 TUBE diffusion 1 29 244067 FILTER fluid 1 30 15E284 HOUSING filter 1 31 287285 CAP filter include...

Page 32: ...ressure Control Wiring Diagrams 32 3A4108F Pressure Control Wiring Diagrams GS950 TO ENGINE TO GROUND ON OFF SWITCH POTENTIOMETER TRANSDUCER CONTROL BOARD PINON HOUSING DRIVE HOUSING CLUTCH B CLUTCH A...

Page 33: ...nless steel screen reusable Pump Inlet Size 1 1 4 12 UNF 2A 1 1 4 12 UNF 2A Fluid Outlet Size 1 4 npsm from fluid filter 1 4 npsm from fluid filter Maximum Tip Size 1 Gun with 0 027 in tip 1 Gun with...

Page 34: ...Notes 34 3A4108F Notes...

Page 35: ...clude the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRA...

Page 36: ...Airlessco reserves the right to make changes at any time without notice Original Instructions This manual contains English MM 3A4108 GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 U...

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