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Graco TexSpray HTX 2030, Repair Manual

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Graco TexSpray HTX 2030 Repair Manual Download Page 21

Repair

313889B

21

Pump Control

Removal 

1.

Remove two screws (71) and swing cover (70a) 
down.

2.

Disconnect pump control (70p) lead from control 
board (70c).

3.

Loosen set screws on pump control knob (70k) and 
remove knob, shaft nut, lock washer and pump con-
trol (70p).

4.

Remove shaft spacer (70n) from pump control.

Installation

1.

Install shaft spacer (70n) on pump control (70p).

2.

Install pump control, shaft nut, lock washer, and 
pump control knob (70k).

a.

Turn pump control shaft clockwise to internal 

stop. Assemble pump control knob to strike pin 

on cover (70a).

b.

After adjustment of step a, tighten both set 

screws in knob 1/4 to 3/8 turn after contact with 

shaft.

3.

Connect pump control lead to control board (70c).

4.

Swing cover (70a) up and secure with two screws 
(71).

ti13709a

71

71

70a

ti13251a

70p

ti13207a

70k

ti14417a

70n

ti14417a

70p

70n

70k

ti13338a

70k

ti13251a

70p

ti13717a

71

70a

Summary of Contents for TexSpray HTX 2030

Page 1: ...13893 Operation Spanish 313892 Repair French 313894 Repair Spanish 313890 Parts 313895 HTX 2030 Flex Head and Pole Spray Applicator English 313896 HTX 2030 Flex Head and Pole Spray Applicator French 313897 HTX 2030 Flex Head and Pole Spray Applicator Spanish 310894 Displacement Pump Top Coat 308491 Texture Airless Spray Gun 313537 HTX 2030 Applicator English 313603 HTX 2030 Applicator Chinese 3139...

Page 2: ...se Coat Applicator 6 Troubleshooting 7 Pressure Relief Procedure 9 Repair 10 Bearing Housing and Connecting Rod 10 Drive Housing 12 Pinion Assembly Clutch Armature Clamp 13 Clutch Housing 17 Engine 17 Pressure Control 18 Displacement Pump 22 Wiring Diagram 24 Technical Data 25 Notes 26 Graco Standard Warranty 28 ...

Page 3: ...shock stop operation immediately Do not use equipment until you identify and correct the problem SKIN INJECTION HAZARD SPRAY GUN High pressure fluid from gun hose leaks or ruptured components will pierce skin This may look like just a cut but it is a serious injury that can result in amputation Get immediate surgical treatment Do not point gun at anyone or at any part of the body Do not put your h...

Page 4: ...VE EQUIPMENT You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect you from serious injury including eye injury inhalation of toxic fumes burns and hearing loss This equipment includes but is not limited to Protective eyewear Clothing and respirator as recommended by the fluid and solvent manufacturer Gloves Hearing p...

Page 5: ... Prime Switch used with Base Coat Pump 3 Pump Control 4 Heavy Texture Material Hose used with Base Coat Pump 5 Applicator Switch used with Base Coat Pump on Hose 5 6 Applicator Base Coat 7 Pump Base Coat 8 Over Pressure Relief Valve 9 Pump Top Coat 10 Spray Gun Top Coat 11 Paint Texture Material Hose used with Top Coat Pump 12 Prime Drain Valve ...

Page 6: ...Coat Applicator ti14357a 1 2 3 4 5 6 9 10 7 8 1 Applicator 2 Air Hose Adapter and Air Adjustment Valve 3 Airless Filter or Air Passage Plug 4 Filter Support 5 Airless Spray Assembly 6 Airless Spray Tip 7 Air nozzle 4 mm 6mm 8mm 10mm 8 Air Nozzle Cleaner 9 Cleaning Brush 10 Cleaning Ball ...

Page 7: ...ean tip or tip filter see manual 313537 313603 Displacement pump piston rod is stuck due to dried paint or texture Repair pump see manual 310894 or page 22 Connecting rod is worn or damaged Replace connecting rod Page 10 Drive housing is worn or damaged Replace drive housing Page 12 Electrical power is not energizing clutch field Check wiring connections Page 24 Reference Digital Display Messages ...

Page 8: ...difficult to prime Air in pump or inlet tube Check and tighten all fluid connections Reduce engine speed and cycle pump as slowly as possible during priming Intake valve is leaking or contaminated Clean intake valve Be sure ball seat is not nicked or worn and that ball seats well Reassemble valve Pump packings are worn Replace pump packings Paint is too thick Thin the paint according to the suppli...

Page 9: ...owly loosen connection Spray Gun Top Coat Pump 1 Lock gun trigger safety and turn engine OFF 2 Turn on off switch to OFF and turn pressure control knob fully counterclockwise 3 Unlock trigger safety Hold metal part of gun firmly to side of grounded metal pail and trigger gun to relieve pressure 4 Lock gun trigger safety Open pressure prime drain valve Leave valve open until ready to spray again NO...

Page 10: ... and washers 63 from ProConnect bearing housing 40 3 Pull connecting rod 43 and lightly tap lower rear of bearing housing with plastic mallet to loosen from drive housing 33 Pull bearing housing and con necting rod assembly off drive housing 4 Inspect crank B and connecting rod 43 for exces sive wear and replace parts as needed ti13706a 45 44 ti13707a 63 64 40 ti13713a 33 43 B ...

Page 11: ...bearing and drive hous ings 4 Align connecting rod with crank B and carefully align locating pins F in drive housing 33 with holes in bearing housing 40 Push bearing housing onto drive housing or tap into place with plastic mal let 5 Install screws 41 and washers 42 in bearing housing Torque evenly to 40 ft lb 54 N m 6 Install Pump page 22 ti13714a C E 40 D 43 ti13715a 33 43 B F NOTICE Do not use ...

Page 12: ...32 and washers 33a 33b are on crankshaft of drive housing 33 3 Clean mating surfaces of pinion and drive housing 4 Align gears and push new drive housing straight onto pinion housing 29 and locating pins B 5 Install six screws 38 Torque evenly to 200 10 in lb 22 6 1 1 N m 6 Install housing 40 and 43 see page 10 7 Install Pump page 22 NOTICE Thrust washers may stick to grease inside of drive housin...

Page 13: ...own cover 70a b Disconnect engine leads from board to engine c Remove strain reliefs 70b 3 Remove four screws 36 washers 37 and pinion assembly 29 4 Place pinion assembly 29 on bench with rotor side up 5 Remove four screws 28 and lock washers 24 Install two screws in threaded holes E in rotor Alternately tighten screws until rotor comes off 6 Remove retaining ring 29b 7 Turn pinion assembly over a...

Page 14: ...bench surface 2 Lay armature 25 on two stacks of coins 3 Press center of hub 26 down to bench surface Clamp Removal 1 Remove Engine page 17 and drain gasoline from tank according to Honda manual 2 Tip engine on side so gas tank is down and air cleaner is up 3 Use 3 16 in hex key wrench to loosen two screws 23 on clamp 22 4 Push screwdriver into slot in clamp 22 and remove clamp ti5483a 24 25 23 ti...

Page 15: ...to measure distance between bar and face of clamp Adjust clamp as necessary Torque two screws 23 to 125 10 in lb 14 1 1 N m 4 Install armature 25 on engine drive shaft 5 Install four screws 23 and lock washers 24 Torque to 125 10 in lb 14 1 1 N m 6 Check o ring 29d and replace if missing or dam aged 7 Tap pinion shaft 29a in with plastic mallet 8 Install retaining ring 29b with beveled side facing...

Page 16: ...all four screws 28 and lock washers 24 Alternately torque screws to 125 10 in lb 14 1 1 N m until rotor is secure Use threaded holes to hold rotor 11 Install pinion assembly 29 with four screws 36 and washers 37 12 Connect clutch cable connectors to inside of pres sure control 28 24 ti5481a ti13217a ti13356a ...

Page 17: ...moval NOTE All service to the engine must be performed by an authorized Honda dealer 1 Remove Pinion Assembly Clutch Arma ture Clamp and Clutch Housing 2 Disconnect all necessary wiring 3 Remove two locknuts 17 and screws 16 from base of engine 4 Lift engine carefully and place on work bench Installation 1 Lift engine carefully and place on sprayer cart 2 Install two screws 16 in base of engine an...

Page 18: ...ach side of pump ON OFF switch 70j and remove switch from cover Installation 1 Install new ON OFF switch 70j so tabs of switch snap into place on inside of cover Align new ON OFF switch with electrical tabs at bottom 2 Connect pump ON OFF switch connector to control board 3 Swing cover 70a up and secure with two screws 71 ti13709a 71 71 70a ti13245a 70j ti13248a 70j ti13248a 70j ti13245a 70j ti137...

Page 19: ...age 24 4 Remove four screws 70d and control board 70c Installation 1 Install control board 70c with four screws 70d 2 Connect engine wires to control board 70c 3 Connect all leads at control board 70c See Wiring Diagram page 24 4 Install new strain relief bushings 70b 5 Swing cover 70a up and secure with two screws 71 ti13709a 71 71 70a ti13710a 70b ti13719a 70c 70d ti13719a 70c 70d ti13710a 70b t...

Page 20: ...er 158 and o ring 158b from manifold Installation 1 Install o ring 158b and pressure control transducer 158 in manifold 72 Tighten securely 2 Place end of transducer in slot of mount 183 and secure with cover 184 and screws 182 Route transducer cable through control box and secure with strain relief 70b 3 Connect transducer lead 158 to control board 70c 4 Swing cover 70a up and secure with two scr...

Page 21: ...cer 70n on pump control 70p 2 Install pump control shaft nut lock washer and pump control knob 70k a Turn pump control shaft clockwise to internal stop Assemble pump control knob to strike pin on cover 70a b After adjustment of step a tighten both set screws in knob 1 4 to 3 8 turn after contact with shaft 3 Connect pump control lead to control board 70c 4 Swing cover 70a up and secure with two sc...

Page 22: ... latch open 7 Ratchet open pump door a Ratchet pump door forward b Twist latch u bolt out of pump door recess c Place u bolt on pump door outer edge d If pump door is stuck do steps e f and 8 Oth erwise go to step 9 e Twist latch u bolt back from pump door outer edge f Place u bolt on pump door protrusion 8 Ratchet pump door forward 9 Open pump door 10 Pull out pump pin and place in pin holder ti1...

Page 23: ...position 4 Close pump door and rotate latch into position Do not tighten latch 5 Rotate pump until transducer port is aligned directly to back of sprayer Connect transducer and hand tighten securely NOTE Clean out ALL media and debris from trans ducer and transducer port before connecting trans ducer 6 Tighten latch and rotate latch lock into locked posi tion 7 Top Coat Pump Attach drain hose to s...

Page 24: ...ram D12 LED J9 J5 J4 J3 J1 J2 J10 ti13556a N M K J F B A E H G C D A To Engine B To Ground C Clutch Test Points D Pinion E Drive F On Off Switch G Control Board H Pump Sensor J Pump Prime Switch K Display Board M Pump Control N Transducer ...

Page 25: ... tip nozzle 2 guns with 0 035 in tip nozzle 3 guns with 0 027 in tip nozzle 4 guns with 0 023 in tip nozzle Inlet Paint Strainer Base Coat Pump 2 in npsm 5 mesh sst Top Coat Pump 1 in npsm 8 mesh sst Pump Inlet Size Base Coat Pump 2 in QD Camlock male coupler Top Coat Pump 1 in 11 5 npsm Fluid Outlet Size Base Coat Pump 1 in QD Camlock male coupler Top Coat Pump 3 8 npsm Wetted Parts zinc plated c...

Page 26: ...Notes 26 313889B Notes ...

Page 27: ...Notes 313889B 27 ...

Page 28: ...on and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRAC...

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