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Stop the pump at the bottom of its stroke. Relieve the pressure, page 9. 2. Disconnect the air, fluid, and suction hoses. Do not lift the pump by the lift ring when the total weight exceeds 250 kg (550 lb). Use at least two people when lifting, moving, or disconnecting the pump. If disconnecting the displacement pump, be sure to securely brace the pump, or have two people hold it while another disconnects it. Before disconnecting the displacement pump (10) from the motor (6), be sure to note the relative position of the pump’s fluid outlet to the air inlet of the motor. If the motor does not require servicing, leave it attached to its mounting. 3. Unscrew the coupling nut (14) from the connecting rod adapter (11). Remove the coupling collars (13); do not lose or drop them. 4. Hold the tie rod flats with a wrench to keep the rods (9) from turning. Unscrew the nuts (12). Remove the displacement pump (10). 5. To service the displacement pump, refer to manual 311825, 311827, or 312745, supplied. To service the air motor, refer to manual 311238, supplied. Repair Reconnect the Displacement Pump See the Parts drawings on pages 14-17. 1. Screw the connecting rod adapter (11) to the air motor shaft. 2. Screw the tie rods (9) into the air motor (6). Using a wrench on the tie rod flats, torque to 50-60 ft-lb (68-81 N•m). 3. Make sure the coupling nut (14) and coupling collars (13) are in place on the displacement rod. 4. Use at least two people to hold the displacement pump while another reconnects it to the motor (see the WARNING at left). Orient the pump's fluid outlet to the air inlet as noted under Disconnect the Displacement Pump. Place the displacement pump (10) on the tie rods (9). 5. Screw the nuts (12) onto the tie rods (9) and torque to 50-60 ft-lb (68-81 N•m). 6. Screw the coupling nut (14) onto the connecting rod adapter (11) loosely. Hold the connecting rod adapter flats with a wrench to keep it from turning. Use an adjustable wrench to tighten the coupling nut. Torque to 90-100 ft-lb (121-135 N•m). 7. Reconnect all hoses. Reconnect the ground wire if it was disconnected. Fill the wet-cup 1/3 full of Graco Throat Seal Liquid or compatible solvent. 8. Turn on the air supply. Run the pump slowly to ensure that it operates properly. 312585E 13 Parts Parts 247549 Cart Mount Package See parts listing on page 18. TI11268A 1 2 3 4 5 6 7 8 Ref. 20 41 23 15 14 13 16 21 11 22 19 17 18 9 10 12 20 24 25 26 27 28 29 30 37 38 39 40 1a 1b 1d 1c 14 312585E TI11270A 4 32 15 14 13 16 11 19 17 18 9 10 12 20 6 7 8 Ref. 20 23 21 22 25 31 TI11270A 4 32 15 14 13 16 11 19 17 18 9 10 12 20 6 7 8 Ref. 20 23 21 22 25 31 Parts 247550 Wall Mount Package See parts listing on page 18. 26 37 24 30 312585E 15 Parts 247551, 247553, and 258664 Cart Mount Packages See parts listing on page 18. TI11272A 1 2 3 4 5 6 7 8 Ref. 20 41 23 14 13 21 11 22 19 18 9 10 24 25 26 27 28 29 30 37 38 39 40 33 15 17 12 34 16 1a 1b 1d 1c 16 312585E Parts 247552, 247554, and 258665 Wall Mount Packages See parts listing on page 18. TI11274A 4 32 33 14 13 15 11 19 17 18 9 10 12 20 6 7 8 Ref. 20 23 21 22 24 25 26 30 37 31 34 16 312585E 17 Parts Parts Listings Common Parts The following parts are used on all packages in this manual. Ref. Part Description Qty. Ref. Part Description Qty. 4 100133 WASHER, lock; 3/8 4 23 205770 HANGER, pipe 1 7 NXT021 CONTROL, air, integrated; 1 24 100085 SCREW, thumb; 1/4-20 x 1 with non-locking air regulator; 1/2 in. (13 mm) 25 15T284 STRAINER, fluid inlet; 60 mesh 1 see 311239 26 247879 GUN, wand; sst and brass; 1 8 244524 WIRE, ground 1 12 101712 NUT, lock; 5/8-11 3 includes 32 in. (813 mm) sst wand; 16 101748 PLUG, pipe; 3/8 npt; sst 1 see 308511 17 15T272 COUPLING, quick release; 3/8 npt 1 30 247878 HOSE, fluid; 3/8 in. (10 mm) ID; 1 19 15T273 SWIVEL; 90°; 1 in. npt(m) x 1 sst quick disconnect fittings (m x f); 1 in. npsm(f) 50 ft (15.2 m) 20 214959 HOSE, suction; 1 in. (25 mm) ID; 1 37 805584 TIP, spray, Q-type; 15090 1 1 in. npt(m) sst fittings; 38 805538 TIP, spray, Q-type; 40030 1 6 ft (1.83 m); nylon 39 805575 TIP, spray, Q-type; 00080 1 21 166629 COUPLING; 1 in. npt(fbe) 1 40 805549 TIP, spray, Q-type; 25045 1 22 166630 TUBE, suction; 1 in. (25 mm) ID; 1 41 805566 TIP, spray, Q-type; 40065 1 1 in. npt(mbe); brass Parts that Vary by Package Ref. No. Description Package Part Nos. Qty 247549 247550 247551 247552 247553 247554 258664 258665 1 CART; includes items 1a-1d 287884 287884 287884 287884 1 1a CAP, tube, round 113361 113361 113361 113361 2 1b WHEEL, semi-pneumatic 113362 113362 113362 113362 2 1c WASHER; 3/4 in. (19 mm) ID buy locally buy locally buy locally buy loca...

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