Instruction/ maintenance manual of the product 254973 Graco
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For W ater- Based Materials Only Model: 254973 50 psi (0.3 5 MP a, 3 .5 bar) Ma ximum Fluid Working Pre ssure 100 psi (0.7 MP a, 7.0 bar) Maxim um Air Pressure Related Manuals Important Safety Instructions Read all warnings and instruction s in this manual.
Warnings 2 311771E Wa r n i n g s The f ollowing are gene ral warnings related to the setup , use , grounding, maintenance an d repair of this equipment. Additional, mo re specific warnings may be f ound through out the body of this manual wher e applicable.
Warnings 311771E 3 Electric Shock Hazar d T o reduce the risk of electric shock: • Be sure spra y er is adequately grounded thr ough electrical outlet, page 6. • Use only 3-wire, e xtension cords. • Mak e sure ground prongs are int act on spra yer and e xtension cords .
Warnings 4 311771E CA UTION W ater or mater ial rema ining in unit w hen tempe ratures are below free zing can da mage motor and/o r dela y pump star tup . T o insure water and material are completely dr ained out of unit: 1. Remov e material line from spra y er .
Component Identification 311771E 5 Component Identification M A K E B P J D C H G ti8369a F L N Model 2549 73 Shown 3.5 cfm@40 min . Q R Item Component Item Compone nt A Pump Hose Outle t J Bur p Guar.
Component Ide ntification 6 311771E Pressure Relief Pr ocedure T o reduce risk of injur y , follo w this procedure whene ver you see this symbol through out this manual, Also , perfo r m this procedure whene v er you: • Stop spraying • Chec k or repair any par t of this system • Install or c lean spray nozzle 1.
Shroud Removal 311771E 7 Shr oud Remo val Disassembl y 1. Relie ve Pressure , page 6. 2. Unplug spra y er from outlet. 3. Remove two screws (15) and two screws (64) fr om back of shroud (7) . 4. Pull shroud (7) ba ck and up ov er knob (41) . Reassembl y 1.
RotoFlex ™ II Pump 8 311771E RotoFlex ™ II Pump Disassembl y 1. Relie ve Pressure , page 6. 2. Unplug spra y er from outlet. 3. Remove Shroud , page 7. 4. Loosen tw o spacers (56) and knob (41). 5. Loosen hopper fit ting by hand to re mov e hopper (1).
RotoFlex ™ II Pump 311771E 9 Reassembl y 1. Bend hose (23 ) so colored dots on hose f ittings f ace each other and slid e hose fittings through hose brac ket ( 27). 2. Squeez e hose ends together to k eep hose (23) and brac ket ( 27) together and f eed pump hose fitting s through holes on front of base .
Motor 10 311771E Motor Disassembl y 1. Relie ve Pressure , page 6. 2. Unplug spra y er from outlet. 3. Remove Shr oud , page 7. 4. loosen knob (41) until spring relax es. 5. Remove Pump , page 8. 6. Disconnect all electrical Wiring , page 1 6. 7. Use 1/4 in.
Motor 311771E 11 Reassembl y 1. Tighte n Belt , page 13. 2. Use petroleum jelly to g rease area of shaft tha t makes contact with e xtension cable ( 29). 3. Slide pin on motor tr ay (32) into slots on base and push moto r and tray bac k int o position.
Motor Fuse Removal 12 311771E Motor Fuse Remo v al When replac ing fuse, use only Bussm an GMF-3 ( 3A) to pre vent premature trips or equipment damage . The motor has a re placeable fuse at tached to the motor brack et. The fuse as sembly (A) is f astened to th e motor brac ket along with a clamp .
Belt 311771E 13 Belt Disassembl y 1. Relie ve Pressure, page 6. 2. Unplug spra y er from outlet. 3. Remove Shr oud , page 7. 4. Remove Motor , page 10. 5. Place motor tra y (32) into vice an d tighten until snug. 6. Use 9/16 in. wrench to loosen two mounting scre ws (4) on motor tray (32) to allow motor to slide around .
Troubleshooti ng 14 311771E T r oub leshooting Prob lem Cause Solution Spra yer won’t r un P ower s witch not on T u r n switch on. No power at w all outlet Check outl et by seeing if light in the plug is illuminated. If not, tr y another outlet. Wrong size ge nerator Use a 3500 wa tt or larger generator .
Troubleshooting 311771E 15 Speed of application too slo w New pum p hose not broken in properly Run pump dry for no longer than 2 minutes. Material too thic k Thin material. Nozzle too small Change nozzles to a larger size . See Operat ion Manual, Recommend ed Nozzle Selection Char t, page 10.
Wiring Diagram 16 311771E Wiring Diagram ti9199a 25 10 39 ON/OFF Switch Black Wi re Black Wire P ower Cord 31 8 Chassis Ground White Wire White Wire Green Wire Green Wire Motor Red Wire.
Parts 311771E 17 Pa r t s Models 254973 42 ti9654a 12 1 3 6 14 5 2 7 15 8 10 31 24 33 23 19 29 20 43 20 4 2 36 21 16 32 ti9655b 27 17 11 44 22 46 • 47 13 • 18 25 41 37 • • • 55 39 42 56 63 3.
Parts 18 311771E Pa r t s Models 254973 ▲ Labels are not included wit h compone nts. They must be ordered separately . † Additional w ar ning labels are av ailabl e at no cost.
Technical Data 311771E 19 Te c h n i c a l D a t a Main Unit P ower Requir ements . . . . . . . . . . . . . . . . . . . . 120 V ac, 60 Hz, 15A, 1 phase Maximum Fluid Working Pre ssure . . . . . . . . . . . . . . . . . . 50 psi, (3.5 bar) Maximum Air Working P ressure .
Graco Standard Warranty 20 311771E Graco Standar d W arranty Graco warrants all equipment ref erence d in this document which is manufactured b y Graco and bear ing its name to be free from de fe c t s i n material and workmanship on the date of sale the original purchaser for us e.
An important point after buying a device Graco 254973 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco 254973 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco 254973 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 254973 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 254973 will certainly help you make a decision on the purchase.
If you already are a holder of Graco 254973, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco 254973.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 254973. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 254973 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
