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Graco 230975 - page 1
Instructions - - Parts List GH 73 3 Hy dra - - Spra y r Sp rayer 3500 psi (240 bar , 24 MPa) M axim um W orki ng Press ure Model 231733, Ser ies E Spray er only . Has Sev ere-Duty * Displacement P ump Model 230975 Includes S prayer 231733, Hose, Swivel, G un, RAC r X, DripLes s t T ip G uard and Swit chT ip t *Sever e-duty dis placement pumps hav e ...
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Graco 230975 - page 2
307616 2 T able of Contents W arnings 2 ...................................... Component I dentific ation 5 ........................ Setup 5 ......................................... Flus hing 8 ....................................... Oper ation 10 .................................... Maint enance 12 .................................. T roubles hoo ...
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Graco 230975 - page 3
3 307616 W ARNING SKIN INJECTION HAZARD Spray from the gun, leaks or r uptured com ponents c an inject f luid into your body and cause ex trem ely serious injury , including the need f or amput ation. Fluid splas hed in the eyes or on the s kin can also cause s erious injury . D Fluid injec ted into t he skin m ay look like just a cut , but it is a ...
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Graco 230975 - page 4
307616 4 W ARNING FIRE AND EXPL OSION HAZARD Im proper grounding, poor vent ilation, open flames or s parks can cause a hazardous c ondition and result in a fire or explosion and s erious injury . D If there is any st atic s parking or y ou feel an elect ric shoc k while using t his equipment, sto p spray - in g immed iatel y . Do not use t he equi ...
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Graco 230975 - page 5
5 307616 Component Identification 9089d HYDRAULIC SUPPL Y L I NE TO MOT OR HYDRAULIC RESERVOI R GASOLINE FILL CAP MOTOR RESET BUTT ON HYDRAULIC MOT OR HYDRAULIC PUMP SUCTION HOSE SUCTION TUBE PRESSURE CONTROL KNOB OUTLET FITTI NG DISPLACEMENT PUMP H Y DR A ULIC RETURN LINE TO MOTOR PRESSURE DRAIN V AL VE Fig 1 Setu p 1. Conne ct the H ose and Gun a ...
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Graco 230975 - page 6
307616 6 Setu p 3. Check t he Hydrau li c Oi l L evel a. Unscre w the hydraulic oil f ill cap. See F ig 2. The dips tick is att ached to t he cap. T he oil should be up to t he full line on t he dipstic k. C A UTION T o prevent dam age to t he cooling system and hydraulic pum p, use only G raco Hy draulic Oil, 169236 (5 gal./ 20 liter ) or 207428 ( ...
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Graco 230975 - page 7
7 307616 Setu p 5. Fill the Fue l T ank W ARNING FI RE AND EXPL OS ION HAZ ARD Fuel s pilled on a hot surf ace can c ause a fire or explosion and s erious bodily injury and propert y damage. Shut off engine and let it cool befor e filling t he tank. Caref ully follow st eps 5.a. t o 5.c. , below , being sur e not to s pill any fuel. a. Close the f ...
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Graco 230975 - page 8
307616 8 Flushing When t o Flush 1. New sprayer . Y our new sprayer was f actor y test ed with light weight oil which was left in to prot ect pump part s fr om corr osion. Be fore us ing oil - bas e paint, flush wit h mineral spirit s only . Befo re usin g w ater - base p aint , f lush with mineral s pirits, followed by soapy wat er , t hen a clean ...
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Graco 230975 - page 9
9 307616 Flushing W ARNING FI RE AND EXPL OS ION HAZ ARD T o reduce t he risk of st atic s parking and splashing when f lushing, alway s remov e the spr ay tip f rom t he gun and hold a met al part of the gun f irmly t o the side of a grounded met al pail. 1 1. Making f irm met al-to- metal c ontact , hold t he gun firm ly to t he side of the groun ...
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Graco 230975 - page 10
307616 10 Operation Pressu re Relief Proced ure W ARNING S K IN I NJECTI ON HAZ ARD The system pressu re must be manually relieved to pr event the syst em from star ting or s praying acc identally . Fluid under high pres sure can be inject ed thr ough the skin and c ause serious injur y . T o reduce t he risk of an injury f rom inject ion, s plashi ...
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Graco 230975 - page 11
11 307616 Operation If t he mo tor st alls du rin g o perati on , t urn O FF the igni- tion key . Wit h your hand, fir mly press s traight down on the motor reset button. Now try to restart the sp rayer . If it will not start , ref er to the separat e motor manual, 307158. C A UTION Never us e a hammer t o depress t he reset butt on, as it could c ...
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Graco 230975 - page 12
307616 12 Maintenance 1. Alwa ys s top the pump at the bottom of its stro ke when you take a br eak and at t he end of the day . T his helps keep f luid from drying on t he rod and damaging t he packings. 2. Keep th e disp lacemen t pu mp packin g nu t/w et cup 1 /3 full of TS L at all t imes. The T SL helps protec t t he packings and r od. 3. Chec ...
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Graco 230975 - page 13
13 307616 T roubleshooting W ARNING S K IN I NJECTI ON HAZ ARD T o reduce t he risk of ser ious injury , whenever y ou are instr ucted t o relieve press ure, f ollow the Pressu re Reli ef Pr ocedur e on page 10. Check ev erything in t he tr oubleshooting char t bef ore disassem bling the spr ayer . PROBLEM CAUSE SOLUTION Gas engine doesn’ t wor k ...
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Graco 230975 - page 14
307616 14 Repl acin g th e Hydrau li c Pump 1. Follow t he Pressure Rel ief Proced ure Warnin g on page 10. Let the hydr aulic syst em c ool before beginning the ser vice proc edure. 2. Unscrew the re servoir drain plug (51), having a container ready t o catc h the draining f luid. 3. Disconnec t the hos e (7) f rom the by pass valv e (9) by loosen ...
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Graco 230975 - page 15
15 307616 Re plac ing the Coole r and Blower 1. Follow t he Pressure Rel ief Proced ure Warnin g on page 10. Let the hydr aulic syst em c ool before beginning the ser vice proc edure. 2. Remove t he hydraulic pum p as inst ructed in t he previous s ection. 3. Disconnec t the c ooler to r eservoir r eturn hos e (7.) by loosening t he hose clamp ( 8) ...
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Graco 230975 - page 16
307616 16 Displacement Pump Service Disco nn ect the Di splacemen t Pu mp 1. Flus h the pump if possible. Stop t he pump on t he down str oke. 2. Follow t he Pressure Rel ief Proced ure Warnin g on page 10. 3. Remove t he suct ion tube and f luid hose from the displacem ent pump. 4. Un screw the three tie rod l ocknuts (48). See GH733 S prayer Part ...
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Graco 230975 - page 17
17 307616 Complet e Sprayer Parts Drawing Mo del 230975, GH 733 Sprayer Includes item s 501 to 510 REF NO. P ART NO. DESCRIPTI ON QTY 501 231733 GH 733 SPRA YER 1 (See par ts l ist on page 19) 505 277251 .HO SE, flui d, nylon, 3/ 8 in. ID, 3 3/8 npsm(f be); 50 ft ( 15m) long 506 156849 .NI PPLE, 3/8 ntp( m) 3 507 155665 .ADAPTER, 3/8 npt (m) x 3/8 ...
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Graco 230975 - page 18
307616 18 GH733 Sprayer Part s Drawing Mo del 231733, Seri es D 9086B 43 46 89 32 91 47 34 29 30 82 79 77 76 31 22 33 143 49 103 48 144 39 178 177 31 37 150 36 35 38 E A See page 17 for continuat ion ...
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Graco 230975 - page 19
19 307616 GH733 Sprayer Part s Drawing ...
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Graco 230975 - page 20
307616 20 GH733 Sprayer Part s Drawing 8 85 5 3 54 25 52 138 24 11 4 11 0 108 109 11 5 109 23 108 9 10 107 15 17 16 18 64 65 137 11 0 49 66 11 2 11 3 11 7 Ref 22 105 106 8 142 Ref 77 78 93 94 95 98 50 51 4 5 8 141 53 7 8 54 5 152 2 74 28 153 96 97 R e f 111 7879A 7879b ...
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Graco 230975 - page 21
21 307616 GH733 Part s List REF NO. P ART NO. DESCRIPTI ON QTY 1 107074 BREA THER, f ill cap 1 2 1061 14 STRAINER, i nlet 1 3 107053 ELBOW , pipe, 90 _ , 1 /2 x 3/8 n pt 1 4 107128 TEE, service 1 5 107050 INSER T , hose, 1/2 npt( f) 3 7 178859 HOSE, rubber , 5 in. (125 mm) 1 8 102473 CLAMP , hose 6 9 210658 V AL VE, bal l 3/8 npt(m) 1 10 165472 ELB ...
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Graco 230975 - page 22
307616 22 Notes ...
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Graco 230975 - page 23
23 307616 T echnical Dat a Engine KOHLER Model CH18 OHV 4 cycle ............... twi n cyli nder , air cooled, 18 HP , (13. 4 kW) Gasoli ne 6.0 gal lon ( 22.7 l iter capacity) ................... consumes 1.3 gal /hr (4. 9 li ter/ hr) Hydraul ic Fl uid Sump 5 gall on (19 l iter s) .................. Hydraul ic Pr essure 1300 psi (89 bar ) .......... ...
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Graco 230975 - page 24
307616 24 Graco W arranty Graco w arrant s al l equi pment listed i n t his manual which i s manuf actur ed by Gr aco and bear ing i ts name to be free fr om defect s i n mater ial and workmanship on t he date of s al e to the or igi nal pur chaser f or use. With t he except ion of any special extended or li mit ed wa rran ty pu blish ed b y Gra co ...
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