Graco M34xxx manual

Instructions/ Parts NXT ® Air Motor 312796R EN For use with high performance finis hi ng and coating pumps in ha zardous or non-hazardous locati ons. For professional use only . Models M02xxx, M04xxx, M07xxx, M12xxx, M18xx x, and M34xxx 100 ps i (0. 7 MPA, 7.0 ba r) Maxi mum Worki ng Pres sure See page 3 for mod el infor mation. Im porta nt Safe t[...]

Relate d Manual s 2 312796R Contents Related Manua ls . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Component Identification . . . . . . . . . . . . . . . . . . . . 6 Grounding . . . .[...]

Warn ings 312796R 3 Warnings The foll owing warni ngs are for the setup , use, ground ing, main tenance, a nd repair of this equ ipment. T he exclama - tion p oint symbo l alerts y ou to a g eneral warning and the hazar d symb ol refers to proced ure-specifi c risk. Refe r back to these wa rnings . Additional , product -specific wa rnings may be fo[...]

Warnings 4 312796R PRESSURIZED EQUIPMENT HAZARD Fluid from the gun/ dispens e valve, leaks, o r ruptured c omponents can spla sh in the ey es or on s kin and cause seri ous injury. •F o l l o w Pressure Relief Procedure in this manual, when you s top spray ing and befor e cleaning, check ing, or serv icing eq uipment. • Tighte n all fluid c onn[...]

Models 312796R 5 Model s Check yo ur motor’s id entification plate (ID) fo r the 6-digi t part numb er of your motor. Us e the foll owing matrix to define the cons truction of your mot or. For example , motor part number M04LT0 repr esent s an a ir mo tor (M) , with 400 cc dis placemen t, a 3.5 in. pisto n diameter an d a 2.5 in. stro ke (0 4) , [...]

Component Id entifica tion 6 312796R Comp onen t Identi ficati on Key: AA i r v a l v e B Air in let, 1/4 in . npt(f) f or M02xxx a nd M04xx x model s, 1/2 in . npt (f) fo r M07x xx, M12 xxx, an d M18x xx mod els C Muffler (M18xx x models h ave a secon d muffler, se e inset. Model M 12Fxx h as smal ler muffle rs; not shown.) D Pilot valv e E Manifo[...]

Compone nt Identifica tion 312796R 7 Grou ndin g See F IG . 2. Ver ify that the g round scr ew (GS) is attached a nd tigh tened securel y to the ai r motor. Con - nect the oth er end of th e ground wire (U ) to a true earth ground. Accessories Bleed -type ma ster ai r valve • Requi red in you r system t o relieve air trapped between i t and the a[...]

Troub leshooti ng 8 312796R Troubleshoot ing Relieve t he pressur e before che cking or s ervicin g the equip ment. NOTICE Check al l possibl e problem s and caus es befor e dis- assembl ing the pu mp. Problem C ause Solutio n Air m otor will no t run. DataTrak soleno id engaged (DataTrak models with runaway protectio n). Push solenoi d release b u[...]

Repair 312796R 9 Repair Preventive Maintenance Schedule The ope rating cond itions o f your sy stem dete rmine h ow often m aintenanc e is require d. Establis h a prev entive maintenan ce sched ule by recor ding when a nd what kind of main tenance is nee ded, and then de termine a regular schedul e for ch ecking you r sys tem. Pressure Relief Proce[...]

Repai r 10 312796R 4. For motors with DataTrak: If equipped with a run- away pro tection sol enoid, re move two sc rews (18) and the solenoi d bracket ( 26). Pu ll the so lenoid (25) out of th e air valve. 5. Remove s crews (18). Remo ve the ai r valve (17) a nd gaske t (16* ◆ ). 6. To repa ir the air valve, go to Disasse mble the Air Valve, step[...]

Repair 312796R 11 F IG . 6: Air va lve a sse mbly 118 ✠ 117 ✠ 106† ✠◆ 110 ◆✠ 25 110 ◆✠ 107 ✠ 107 ✠ 109† ◆ 105 ◆ 112 ◆ 111 ◆ 103 ◆ 102 ◆ ti11840 a 26 101 104 ◆ 32 31 110 ◆✠ 1 1 1 1 1 1 1 1 App ly lubric ant. 106† ✠◆ 106† ✠◆ 108† ◆ 108 † ◆ Dat aTr ak Mo dels w ith Run awa y Protection 119 [...]

Repai r 12 312796R Reassembl e the Air Va lve 1. Lubricate d etent cam (104 ◆ ) and install into hous- ing. 2. Lubricate t he u-cups (108† ◆ ) and install on the pis - ton (102 ◆ ) with lips facing toward t he center of the piston. 3. Lubricate b oth end s of the pi ston (102 ◆ ) and ins tall it in the housing. 4. Lubricate a nd install t[...]

Repair 312796R 13 Replace Pilot Valves 1. Stop th e pump at th e middle of its stro ke. Relie ve the pres sure. See p age 9. 2. Disconn ect the air line to the motor. 3. Remove the ti e rod shiel d (TS). Slide the drip s hield (DS) do wn on the tie r ods. 4. Use a 10 mm so cket wren ch to remove th e old pilot valves (19) from the top and bottom co[...]

Repai r 14 312796R Disas semble th e Air M otor 1. For motors with DataTrak: Remove screw to dis - conne ct the reed switch fr om the ai r valve. S ee F IG . 3, page 9. 2. Use a 10 mm so cket wren ch to remove fo ur screws (18). Remov e the air valve (17) and gask et (16* ◆ ). 3. Remove the muffler(s ). 4. Remove fou r screws ( 18) and rem ove th[...]

Repair 312796R 15 7. See F IG . 12. Lub ricate and i nstall n ew u-cup se al with flang e (43*) in the bottom o f the be aring in the bottom co ver (1). T he u-cup must face up and the flange mu st face do wn. Lubri cate and ins tall new u-cup s eal (3*) in t he top of the bearing . Lips must face up. 8. Lubricate and ins tall the o-ring (9*) on th[...]

Parts 16 312796R Parts 19 13 12 11 17 20 14* 9* 9* 43* 3* 8* 5 15 18 19 10 22 31 26 25 16* ◆ 2 2 2 2 2 2 2 Apply l ubricant. Torque varies by motor size. M02xxx-M04xxx: 11-13 ft-lb (15-18 N•m ) M07xxx -M34 xxx: 25 -30 f t-lb (34- 40 N•m) 1 29 ti11900 a 28 34 1 2 30 1 39 2 40 42 3 U -cup faces up. Flang e (bottom seal only ) faces down. See F [...]

Air Motor Parts — All Model s 312796R 17 Air Motor Parts — All Models Ref. Des cription Qty M02xxx M 04xxx M07 xxx M12xx x M18xxx M 34xxx 1 COVER, l ower, assembl y (inclu des 3, 9, 19, 22, 28, and 43) 1 24A 541 24A 545 24C 398 24 A549 2 4A553 24A5 53 3* U-CUP 2 Not sol d separately . See Air Mo tor Seal Kit (page 21) o r Lower Cover As sembly [...]

Air Motor Parts — All Mod els 18 312796R * Included in Air Motor Seal Kit. See p age 21 . ▲ Replacem ent Warn ing label s, signs , tags, an d cards ar e availabl e at no cost. 25 SOLENOID/REED SWITCH, assem bly, for Da taTrak mo dels with runawa y protection , incl udes 18 ( qty. 2 or 4 de pending o n model), 26, 31, 32, an d 33. 1 See Reed Swi[...]

Air Valve Part s 312796R 19 Air Valve Parts 117 ✠ 106† ✠◆ 110 ◆✠ 25 110 ◆✠ 107 ✠ 107 ✠ 109† ◆ 105 ◆ 112 ◆ 111 ◆ 103 ◆ 102 ◆ 108† ◆ 108 † ◆ 26 101 104 ◆ 32 31 110 ◆✠ ti1184 0a 106† ✠◆ 106† ✠◆ 118 ✠ Dat aTrak Models with Runaway Protection 119 † ✠◆ Two- Piec e Cup fo r M07x xx, M12xx[...]

Air Valve Parts 20 312796R Air va lve part s are not s old indi viduall y. The ta ble below shows pos sible ki t options for each part. See page 21 to order the c orrect k it(s), or full r eplace ment air va lves, for y our moto r. † Include d in Air V alve Sea l Kit. Se e page 21. ◆ Include d in Air V alve Repa ir Kit. See page 2 1. ✠ Includ[...]

Kits and Acces sories 312796R 21 Kits a nd Acce ssorie s Kit Desc ription M02xxx M04xxx M07xxx M12xxx M18xx x M34xxx Complete Air Valve R eplacement Kit – Stand ard (No DataTrak or DataTrak with cycle count only) 24A 351 24A351 24A352 24A352 24 A352 24A352 Complete Air Valve R eplacement Kit – Compatible with Dat aTrak with Runaway Protectio n [...]

Dime nsions 22 312796R Dimensions Air Motor Model A inch (mm) B inch (mm) C inch (mm) D inch (mm) E inch (mm) Weight lb (kg) M02xxx 6. 8 (173) 9.2 (234) 6.2 (15 7) 4. 2 (107) 5.1 (130) 4.5 (2.0) M04xxx 7. 0 (178) 9.4 (239) 8.4 (21 3) 6. 8 (173) 5.8 (147) 6.7 (3.0) M07xxx 7. 7 (196) 10.1 (257) 9 .4 (239) 6.8 (173) 10.8 (274) 13.3 (6.0) M12xxx 7. 7 ([...]

Mountin g Hole Di agrams 312796R 23 Mountin g Hole Diagrams 3 in. (76 mm) 3 in. (76 mm) M02xxx (2.5 in.) M04xxx (3.5 in.) Two M8 mountin g holes Three 3/8-24 tie rod ho les 3-1/ 4 in. (83 mm) bolt c ircle Two M 8 mounti ng holes ti1273 4a ti12733 a ti12 736a ti12735 a 2.2 in. (56 mm) 4-1/2 in. (114 mm) bolt circ le 3-1/4 in. (83 mm) bolt circle 3.0[...]

Mountin g Hole Di agrams 24 312796R 4 in. (102 mm) 4 in. (102 mm) M12xxx (6 in.) Four M8 X 1.2 5 optional mounting holes Four M8 X 1.25 opti onal mount ing ho les Thre e 5/8- 11 tie r od holes Two M8 mountin g holes 5.906 in. (150 mm) bolt circ le Two M8 mount ing ho les Three 5/8- 11 tie rod h oles 5.90 6 in. (150 mm) bolt circle ti1273 8a ti12737[...]

Technica l Data 312796R 25 Technical Data * Sound p ower at 70 psi (0.48 M Pa, 4.8 bar ), 20 cpm. Sound powe r measured per ISO- 9614-2. ** Sound pressu re was teste d 3.28 f eet (1 m) from equipm ent. Maximu m air inlet pressu re . . . . . . . . . . . . . . . . . . . . . . . 100 psi ( 0.7 MPa, 7.0 bar) Stroke le ngth (al l except M34 xxx) . . . . [...]

All written and visual data contained in this document reflects t he latest product information available at the time of publica tion. Graco rese rves the right to make changes at any time without notice. This m anual contains English. MM 312796 Graco H eadquarte rs: Minnea polis International O ffices: Belgiu m, Chin a, Japan, Korea GRACO INC. AND[...]