Stainless steel 3:1 pump, for use in ecoquip vapor abrasive blast equipment, use only with water, or water with additives to inhibit corrosion or mold, for professional use only (30 pages)
Summary of Contents for Graco 245970
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Part No. 245971, Series A 41 cc, used on Model E-XP2 Part No. 245972, Series A 55 cc, used on Model E-30 TI2663A Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2003, Graco Inc. is registered to I.S. EN ISO 9001...
Misuse can cause serious injury or death. • For professional use only. • Use equipment only for its intended purpose. Call your Graco distributor for information. • Read manuals, warnings, tags, and labels before operating equipment. Follow instructions. • Check equipment daily. Repair or replace worn or damaged parts immediately.
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Warning WARNING BURN HAZARD This equipment is used with heated fluid, which can cause equipment surfaces to become very hot. To avoid severe burns: • Do not touch hot fluid or equipment. • Allow equipment to cool completely before touching it. •...
Snap-ring pliers • 1/2 in. (13 mm) diameter plastic rod • 7/8 in. deep-well socket (245970 only) Repair Kits A repair kit is available for your pump. Kit parts are marked with an asterisk, for example (3*). See page 17.
Disassembly Disassembly WARNING Shut main power OFF Pump rod and connecting rod move during operation. Moving parts can cause serious injury such as pinch- Disconnect fluid inlet (C) and outlet (D). ing or amputation. Keep hands and fingers away from connecting rod during operation.
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Disassembly To disconnect pump B: Enter jog mode (see operation manual). Run motor until component B pump is at bottom of its stroke. Press pump Turn PRESSURE RELIEF/SPRAY to stop. valves (SA, SB) to PRESSURE RELIEF. Shut main power OFF Disconnect fluid inlet (C) and outlet (D).
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Disassembly Unscrew packing nut (19). Remove retaining Disassemble intake valve. Be sure to remove ring (22) and felt washers (21). o-ring (10). TI2665A Spring (8) is on Model 245972 only. TI2662A Tap rod (1) with non-sparking hammer to drive it out of cylinder (2).
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Disassembly Using screwdriver in groove (H), remove sleeve Unscrew piston (7) from rod (1). Remove piston (4) from cylinder (2), or pull it off rod. Remove guide (6) and ball (16). Remove u-cup (13) and o-rings (3). bushing (14). TI2670A TI2666A Be sure top o-ring (3) comes out.
Install throat u-cup as follows: onto rod (1). Install piston guide (6) and u-cup (13*) on piston (7). Lips of u-cup must face up. On Models 245970 and 245971, be sure lips of Models 245971 and 245972: Grease piston guide (6) face down.
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Reassembly Groove (H) in sleeve outer surface must be Install scraper kit (18*, 245971 and 245972 only) toward bottom. in bushing. Ensure that slots (J) in scrapers do not align and seal (K) fits under lip of bushing. Grease piston u-cup and sleeve top edge. Push piston assembly into top of sleeve (4).
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Seat may be flipped over and used on other TI2687A side. Clean seat thoroughly. No scratches per- mitted on sealing edge. Model Torque ft-lb (N•m) 245970 65-75 (88-101) 245971 75-85 (101-114) 245972 145-155 (195-209) Torque packing nut (19) to 90-110 in-lb (10-12 N•m).
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Reassembly To reconnect pump B: Continue screwing pump into housing until fluid outlet (D) is aligned with steel tube and top threads are +/- 1/16 in. (2 mm) of bearing face (N). See F . 2. Turn main power ON Tighten locknut (G) by hitting firmly with a non-sparking hammer.
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Reassembly To reconnect pump A: Ensure locknut (G) is screwed on pump with flat side up. Screw pump into bear- ing housing (M) until pin holes align. Push pin (F) in. Pull retaining spring (E) down. See F . 2. Turn main power ON Continue screwing pump into housing until fluid outlet (D) is aligned with steel...
Parts Parts Part No. 245970, Series A; includes items 1-7, 9-17, 19-22 Part No. 245971, Series A; includes items 1-7, 9-22 Part No. 245972, Series A; includes items 1-22 (shown) TI2577A 309577A...
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Parts Part No. 245970, Series A; includes items 1-7, 9-17, 19-22 Part No. 245971, Series A; includes items 1-7, 9-22 Part No. 245972, Series A; includes items 1-22 (shown) Part No. Description Part No. Description 114054 O-RING; Viton ® (245970) 240518 ROD, displacement;...
Graco distributor to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
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