Graco FinishPro 256842 Operation Manual Download Page 31

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Repair /

修理

수리

313797C

Repair /

修理

수리

Compressor / Motor Replacement /

压缩机／电动机的更换

콤프레서 / 모터 교체

English

Compressor Belt Removal

Remove three screws
and belt cover.

Remove three screws
and belt guide plate.

Loosen top and bottom
idler pulley bracket
screws.

Pull idler back and
remove belt from pulleys.

中文

压缩机皮带的拆除

卸下三个螺钉和皮带罩。

卸下三个螺钉和皮带
导板。

松开顶部和底部的惰轮托
架螺钉。

回拉惰轮并从皮带轮上卸
下皮带。

한국어

콤프레서 벨트 제거

나사 세 개와 벨트 커버
를 제거합니다 .

세 개의 나사와 벨트
가이드 플레이트를 제거
합니다 .

상단과 하단의 아이들러
풀리 브래킷 나사를
풉니다 .

아이들러를 뒤로 당기고
풀리에서 벨트를 제거합
니다 .

ti13413a

ti13407a

ti13408a

ti13412a

Summary of Contents for FinishPro 256842

Page 1: ...less Spraying 2800 psi 193 bar 19 3 MPa 2800 psi 193 bar 19 3 MPa Models Important Safety Instructions Read all warnings and instructions in this manual and on the sprayer cord Save these instructions...

Page 2: ...e cord or plug is required do not connect the grounding wire to either flat blade terminal The wire with insulation having an outer surface that is green with or without yellow stripes is the groundin...

Page 3: ...om explosive vapors SKIN INJECTION HAZARD Do not aim the gun at or spray any person or animal Keep hands and other body parts away from the discharge For example do not try to stop leaks with any part...

Page 4: ...re and result in death serious injury and property damage TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed Re...

Page 5: ...313797C 5 120V 3 3 3 12 AWG 2 5 mm2...

Page 6: ...6 313797C Graco 3 2 MSDS 20 6 m Graco 3300 psi 3300 psi Graco Graco...

Page 7: ...313797C 7 1 1 1 MSDS...

Page 8: ...8 313797C 120V 3 3 3 12 AWG 2 5 mm2...

Page 9: ...313797C 9 Graco 3 to 2 MSDS 20 6 m Graco 3300 psi 3300 psi Graco...

Page 10: ...10 313797C Graco 3 1 1 1 MSDS...

Page 11: ...B Air Hose Connection C Prime Spray Valve D Fluid Outlet E Air and Fluid Supply Hoses F Displacement Pump G Gun see manual H Fluid Pressure Control J Power Function Selector K Gun ON OFF Valve M Dire...

Page 12: ...of electrical shock by providing an escape wire for the electrical current The sprayer cord includes a grounding wire with an appropriate grounding contact The plug must be plugged into an outlet tha...

Page 13: ...60 Hz 15A 1 phase 230V units require 230 VAC 50 60 Hz 10A 1 phase Extension Cords Use an extension cord with an undamaged ground contact If an extension cord is necessary use a 3 wire 12 AWG 2 5 mm2 m...

Page 14: ...ve surface such as paper or cardboard which interrupts grounding continuity Grounding a metal pail connect a ground wire to pail by clamping one end to pail and other end to a true earth ground such a...

Page 15: ...sprayer 2 Turn pressure control knob to lowest setting 3 Hold gun to side of grounded metal pail Trigger the gun to relieve pressure 4 Turn prime valve to PRIME If you suspect spray tip or hose is co...

Page 16: ...supply hose to fluid fitting Tighten securely 2 Attach air supply hose to sprayer air fitting Connect Gun to hoses 1 Lay connected hoses flat and next to each other 2 Assemble first hose wrap two to t...

Page 17: ...ional wraps at 2 to 3 ft intervals 4 Attach fluid supply hose 5 Couple black air whip hose to air supply hose barb and cut to length 6 Connect air hose to barb on air adjustment valve 3 2 3 4 5 6 3 2...

Page 18: ...18 313797C English 7 Install hose T clips on black air whip hose and paint hose 8 If air cap is installed on gun remove it 9 Remove and check inlet strainer for clogs and debris 7 T 8 9 7 T 8 9 ti9446...

Page 19: ...o properly grounded electrical outlet 3 Lock gun trigger safety 4 Turn prime valve to PRIME 5 Place suction tube in grounded metal pail partially filled with flushing fluid and drain tube in waste pai...

Page 20: ...ch to AIRLESS or ON 8 Increase pressure to start motor and allow fluid to circulate through drain tube for 15 seconds then turn pressure down 9 Turn prime valve to SPRAY 10 Unlock gun trigger safety 6...

Page 21: ...Relief procedure Tighten fittings Repeat steps 1 9 of Startup page 19 If no leaks proceed to step 10 12 Place siphon tube in paint pail 13 Trigger gun again into flushing pail until paint appears Mov...

Page 22: ...33b over seat 33a Use black seal for water based materials and orange for solvent and oil based materials 5 Insert tip 33 into slot A in air cap 6 Notice If air cap is not fully installed on gun flui...

Page 23: ...Slide air on off valve to OFF position down 3 Turn air adjustment valve off at gun 4 Increase fluid pressure to eliminate tails 5 Decrease fluid pressure until tails begin to appear in spray pattern 1...

Page 24: ...ON and increase air pressure to eliminate tails 8 Trigger gun and turn gun air adjustment valve until tails disappear and good spray pattern is achieved 9 Slide air on off valve to OFF to save settin...

Page 25: ...pattern Gradually increase fluid pressure until you achieve a consistent spray pattern without heavy edges Use a smaller tip size if pressure adjustment alone does not eliminate heavy edges Hold gun p...

Page 26: ...clean guard and tip RAC Tip proceed to step 3 3 Rotate tip 180 4 Unlock trigger safety 5 Trigger gun into pail or onto ground to remove clog 6 Lock trigger safety 7 Rotate tip back 180 to spray posit...

Page 27: ...to lowest setting Trigger gun to relieve pressure 3 Lock trigger safety 4 Put drain tube in pail 5 Turn prime valve to PRIME 6 Remove tip and air cap from gun Refer to your gun manual for complete cl...

Page 28: ...LESS or ON 10 Turn prime valve to SPRAY 11 Hold gun against paint pail 12 Unlock trigger safety 13 Trigger gun and increase pressure until flushing fluid appears 14 Move gun to flushing pail hold gun...

Page 29: ...to 30 seconds to drain fluid 16 Turn prime valve to SPRAY 17 Unlock trigger safety and trigger gun into flushing pail to purge fluid from hose 18 Set function selection switch to AA Air Assisted or O...

Page 30: ...an and inspect Install filter 24 Wipe sprayer hose and gun with a rag soaked in water or mineral spirits 25 If flushing with water flush again with mineral spirits or Pump Armor to leave a protective...

Page 31: ...ish Compressor Belt Removal 1 Remove three screws and belt cover 2 Remove three screws and belt guide plate 3 Loosen top and bottom idler pulley bracket screws 4 Pull idler back and remove belt from p...

Page 32: ...ews 2 Place torque wrench in square hole and torque to 60 in lb to properly tension belt Tighten top and bottom idler screws 3 Torque top and bottom idler screws to 120 in lb 4 Install belt cover with...

Page 33: ...down and forward to remove from sprayer Place compressor on workbench 4 Perform belt removal procedure page 31 5 Remove two screws and IEC cord clamp Remove two screws and compressor shroud 6 Disconne...

Page 34: ...ressor shroud with two screws Install IEC cord clamp with two screws 4 Install air inlet fitting and perform Belt Installation page 32 5 Tip compressor assembly up and back into frame Install four scr...

Page 35: ...may be clogged Relieve Pressure page 15 Then clear clog or clean gun filter Refer to gun instruction manual 313347 Basic Mechanical 1 Pump frozen or hardened paint Thaw sprayer if water or water base...

Page 36: ...ads are securely fastened and properly connected to control board Replace loose terminals crimp to leads Be sure terminals are firmly connected Clean circuit board terminals Securely reconnect leads 6...

Page 37: ...insulation and terminals for signs of overheating Be sure male terminal pins are centered and firmly connected to female terminals Replace any loose terminals or damaged wiring Securely reconnect term...

Page 38: ...housing Inspect Drive Housing Assembly and gears for damage and replace if necessary page 60 Motor is hot and runs intermittently 1 Be sure ambient temperature where sprayer is located is not more th...

Page 39: ...ro 6 Fuse Check replaceable fuse on compressor control board Replace fuse after completing motor inspection page 62 7 Compressor thermal switch is open Ensure ambient temperature is below 115 F 46 C M...

Page 40: ...Basic Troubleshooting 40 313797C Graco 1 2 15 313347 1 60 2 60 33 1 ON 2...

Page 41: ...Basic Troubleshooting 313797C 41 63 1 110 120 Vac 105 130 Vac 230 Vac 210 255 Vac 2 3 60 4 ON OFF 62 5 6 60 7 1 4 6mm 60 8 60 9 54 60 10...

Page 42: ...Basic Troubleshooting 42 313797C 1 15 313347 2 58 3 15 60 4 O 5 110 120 Vac 105 130 Vac 240 Vac 210 255 Vac 6 12 7 8 1 4 6mm 33 9 10 60 11 54 33 12 19 13 11 3 4...

Page 43: ...Basic Troubleshooting 313797C 43 1 60 2 3 4 O 5 58 6 60 7 60 8 60 1 115 F 46 C 2 33 1 2 3 4...

Page 44: ...Basic Troubleshooting 44 313797C 1 ON 2 110 120 Vac 105 Vac 240 Vac 210 Vac 3 4 5 6 62 7 115 F 46 C 8 62 1 2 3 15 313347 1 257824...

Page 45: ...Basic Troubleshooting 313797C 45 Graco 1 2 15 313347 1 60 2 60 33 1 ON 2 ON OFF...

Page 46: ...Basic Troubleshooting 46 313797C 63 1 110 120 VAC 105 130 VAC 230 VAC 210 255 VAC 2 3 60 4 ON OFF 62 5 6 r 60 7 1 4 6mm r 60 8 r 60 9 54 r 60 10...

Page 47: ...Basic Troubleshooting 313797C 47 1 15 313347 2 58 3 15 60 4 O 5 110 120 VAC 105 130 VAC 240 VAC 210 255 6 12 7 8 1 4 6 mm r 33 9 10 60 11 54 r 33 12 19 13 11 3 4...

Page 48: ...Basic Troubleshooting 48 313797C 1 60 2 3 4 O 5 58 6 60 7 60 8 60 1 115 F 46 C 2 r 33 1 2 3 4...

Page 49: ...Basic Troubleshooting 313797C 49 1 ON 2 110 120 Vac 105 Vac 240 Vac 210 Vac 3 4 5 0 6 62 7 115 F 46 C 8 62 1 2 3 15 313347 1 257824...

Page 50: ...asic Troubleshooting page 35 Motor runs but pump does not cycle Gear and or yoke are damaged Replace gear and yoke using Gear Yoke Repair Kit page 60 Motor does not run Water or paint entered pressure...

Page 51: ...ch is worn Replace pressure control switch using Pressure Control Switch Kit page 60 Water or paint entered pressure control switch or shorted control board Clean out and or dry out and retry Replace...

Page 52: ...ure windings and brush as follows If Motor Diagnostics reveal a damaged motor or if motor brushes are shorter than 1 4 in 6 4 mm or if the motor shaft cannot turn replace the motor using Motor Kit pag...

Page 53: ...ing 313797C 53 English 3 Remove enclosure and disconnect motor leads from control card 4 Remove fan brace if equipped 5 Remove four screws and front cover 6 Remove yoke and guide rods 7 Remove gear 3...

Page 54: ...efore stopping If fan does not spin freely armature is shorted Replace motor using Motor Kit page 60 Armature Brushes and Motor Wiring Open Circuit 1 Connect red and black motor leads together with te...

Page 55: ...s English NOTE Check for motor problems before replacing control board A damaged motor may burn out a good control card Check for a damaged control board or pressure control switch as follows 1 Reliev...

Page 56: ...h 3 Remove cover screws and front cover 4 Remove yoke and guide rods 5 Remove gear 6 Remove pressure control harness from control board Use tip of small flat blade screwdriver to press tab on right si...

Page 57: ...ve to be installed in pump 8 Turn pressure control adjustment knob clockwise to maximum pressure setting 9 Plug electrical cord into 120Vac receptacle 10 Turn power switch ON If motor runs replace pre...

Page 58: ...sprayer continues to cycle motor and pump run when the spray gun trigger is released or if performance is poor even with new spray tips and clean filters the pump inlet or outlet valve may be obstruct...

Page 59: ...20 7 32 19 23 135d 135c 30 38 31 206 203 221 220 219b 219a 219 215 215 212 215 207a 201 209 207 205 211 214 20a 202a 222 214 214k 214a 214b 214b1 214j 214f 214h 214g 214e 214d 214c 7 213 14 8 25 26c 2...

Page 60: ...5498 SCREW mach slot hex wash hd 1 205 118899 SWITCH rocker spst Model 256842 1 122528 SWITCH three position rocker Models 256843 256844 256845 257411 257412 257413 117223 SWITCH dpst rocker Model 256...

Page 61: ...t 313797C 61 Parts Compressor ti13423a 106 131 112 142 117 118 120a 120a 120 128 133 136 135 131a 135b 129 138 110 122b 122a 122c 145 135a 122 121 106 144 114 131b ti13423a Torque to 70 5 in lb 70 5 7...

Page 62: ...1 122 257817 KIT repair idler 1 122a 260212 SCREW hex washer hd thd form 2 122b 110755 WASHER plain 1 122c 257818 KIT repair belt 1 128 257342 BASE assemble air filter 1 129 115495 SCREW mach hex was...

Page 63: ...120 Vac 120 Vac 313797C 63 Wiring Diagram 120 Vac 120 Vac 120 Vac A B B B C C C C D E E F ti13424a G Fluid Pump Compressor G English A Red Wire B Black Wire C White Wire D Blue Wire E Striped Wire F G...

Page 64: ...0 Vac 240 Vac 64 313797C Wiring Diagram 240 Vac 240 Vac 240 Vac A B D B D A E A A E D A ti13425a Fluid Pump Compressor F G English A Brown Wire B Black Wire D Blue Wire E Grren Yellow Wire F Compresso...

Page 65: ...m material pressure AA US 2600 psi 180 bar UK 2600 psi 180 bar Europe 2800 psi 193 bar Asia Australia 2800 psi 193 bar Atomizing air output 30 psi US 3 2 cfm UK 3 2 cfm Europe 3 2 cfm Asia Australia 3...

Page 66: ...34 gpm 1 28 lpm 2600 psi 180 bar 2600 psi 180 bar 2800 psi 193 bar 2800 psi 193 bar AA 2600 psi 180 bar 2600 psi 180 bar 2800 psi 193 bar 2800 psi 193 bar 30 psi 3 2 cfm 3 2 cfm 3 2 cfm 3 2 cfm 35 ps...

Page 67: ...pm 1 28 lpm US 2600 psi 180 bar 2600 psi 180 bar 2800 psi 193 bar 2800 psi 193 bar AA US 2600 psi 180 bar 2600 psi 180 bar 2800 psi 193 bar 2800 psi 193 bar 30 psi US 3 2 cfm 3 2 cfm 3 2 cfm 3 2 cfm U...

Page 68: ...Notes 68 313797C Notes...

Page 69: ...e obligation 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 l...

Page 70: ...contained in this document reflects the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice MM 313316 This manual conta...

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