Graco 245970 Repair Parts Download Page 5

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Pressure Relief Procedure

309577A

Pressure Relief Procedure

WARNING

Read warnings, page 3.

Relieve pressure in gun and perform gun shut-

down procedure. See gun manual.

Close gun fluid manifold valves A and B.

TI2421A

Shut off feed pumps and agitator, if used.

Turn PRESSURE RELIEF/SPRAY valves (SA,

SB) to PRESSURE RELIEF. Route fluid to waste
containers or supply tanks. Ensure that gauges
drop to 0.

TI3171a

Summary of Contents for 245970

Page 1: ...001 309577A Repair Parts Displacement Pump FOR USE WITH REACTOR ELECTRIC PROPORTIONERS 3500 psi 24 5 MPa 245 bar Maximum Working Pressure Part No 245970 Series A 21 cc used on Model E 20 and E XP1 Par...

Page 2: ...detailed equipment informa tion WARNING A warning alerts you to possible serious injury or death if you do not follow instructions Symbols such as fluid injection shown alert you to a specific hazard...

Page 3: ...hs potential static arc Do not plug or unplug power cords or turn lights on or off when flammable fumes are present Keep the work area free of debris including solvent rags and gasoline Ground equipme...

Page 4: ...llowed Read Material Safety Data Sheet MSDS to know the specific hazards of the fluids you are using Store hazardous fluid in approved containers and dispose of it according to applicable guidelines P...

Page 5: ...ure in gun and perform gun shut down procedure See gun manual 2 Close gun fluid manifold valves A and B TI2421A 3 Shut off feed pumps and agitator if used 4 Turn PRESSURE RELIEF SPRAY valves SA SB to...

Page 6: ...nly Repair Kits A repair kit is available for your pump Kit parts are marked with an asterisk for example 3 See page 17 Kit must be purchased separately For best results use all parts in the kit Clean...

Page 7: ...To disconnect pump A a Turn PRESSURE RELIEF SPRAY valves SA SB to PRESSURE RELIEF b Press Motor will run until compo nent A pump is at bottom of its stroke then shut off A B TI3171a SA SB c Shut main...

Page 8: ...3171a SA SB c Enter jog mode see operation manual Run motor until component B pump is at bottom of its stroke Press pump to stop d Shut main power OFF e Disconnect fluid inlet C and outlet D See FIG 1...

Page 9: ...using 5 with non spark ing hammer then unscrew Remove o ring 15 TI2662A 19 22 21 TI2664A 15 5 8 Disassemble intake valve Be sure to remove o ring 10 Spring 8 is on Model 245972 only 9 Tap rod 1 with n...

Page 10: ...re top o ring 3 comes out 11 Remove scraper assembly 18 245971 and 245972 only and bushing 17 TI2670A 2 3 4 H 3 TI2669A 18 17 2 12 Unscrew piston 7 from rod 1 Remove piston guide 6 and ball 16 Remove...

Page 11: ...low Model Torque ft lb N m 245970 24 30 32 40 245971 47 53 63 71 245972 47 53 63 71 TI2666A 1 16 14 13 6 7 TI2818A 1 Lips face up 1 3 Install throat u cup as follows a Models 245971 and 245972 Grease...

Page 12: ...2701A 22 21 19 Groove H in sleeve outer surface must be toward bottom 7 Grease piston u cup and sleeve top edge Push piston assembly into top of sleeve 4 Drive in with non sparking hammer 8 Grease top...

Page 13: ...and used on other side Clean seat thoroughly No scratches per mitted on sealing edge TI2665A 5 11 9 10 8 12 11 Replace o ring 15 Install intake valve Torque housing 5 as follows or be sure intake val...

Page 14: ...housing M until pin holes align Push pin F in Pull retaining spring E down See FIG 2 e Continue screwing pump into housing until fluid outlet D is aligned with steel tube and top threads are 1 16 in 2...

Page 15: ...Shut main power OFF d 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 FIG 2 e Continue sc...

Page 16: ...s 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 1 2 3 3 4 5 6 7 8 10 9 11 12 13 14 15 16 17 18...

Page 17: ...08526 O RING 245971 1 107098 O RING 245972 1 11 105445 BALL intake sst 0 5 in 13 mm 245970 1 102972 BALL intake sst 0 875 in 22 mm 245971 1 107167 BALL intake sst 1 in 25 mm 245972 1 12 192624 GUIDE b...

Page 18: ...the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF...