background image

Priming Piston Displacement Pump Cleaning

7.

Remove the retaining pin (118), o-ring (119), and
ball (110). Pull the connecting rod (109) from the
displacement rod (117). Remove the seal (120).

Figure 3 Disassemble piston valve.

8.

Remove the packing housing (103) from the top
of the cylinder (101). Remove the bearing (106),
packing (105), and o-ring (104).

9.

Clean and inspect all parts. Refer to

Cleaning the Air Motor, page 3

Replace the

parts as necessary.

Figure 4 Remove packing housing.

Reassemble

Reassemble

Reassemble After

After

After Cleaning

Cleaning

Cleaning

Note:

Note:

Note: Any damaged parts must

must

must be replaced.

Note:

Note:

Note: Lubricate the o-rings, throat packings, and
piston seals with appropriate waterproof sanitary
lubricant.

1.

Wash all pump parts with an appropriate cleaning
solution at the cleaning product manufacturer’s
recommended temperature and concentration.

2.

Rinse all pump parts again with water and allow
them to dry.

3.

Inspect all pump parts and reclean if needed.

4.

Immerse all pump parts in an appropriate
sanitizer before assembly. Take the pump parts
out of the sanitizer one-by-one as needed.

5.

Install the v-block packing (105) and bearing
(106) in the packing housing (103). The lips of
the packing must face down into the housing,
and the lip of the bearing must face up. Install
the o-ring (104) on the outside of the housing.

6.

Install the seal (120) on the piston valve housing
at the top of the connecting rod (109). Place
the ball (110) on the seat of the housing. Install
the displacement rod (117) over the top of the
connecting rod so the holes in both parts align.
Secure with the retaining pin (118) and o-ring
(119).

7.

Lubricate and place the packing housing (103) in
the top of the cylinder.

8.

Lubricate and slide the displacement rod (117)
up through the cylinder so it protrudes from the
packing housing (103).

9.

Lubricate and install the packings (115) into the
center of the poppet (114).

10. Lubricate and install the bearing (112) into the

center of the valve stop (111).

11. Slide the valve stop (111), spring (113), and

poppet (114) onto the connecting rod (109).

12. Install the gasket (102) and the intake valve

housing (107). Secure the housing (107) to the
cylinder (101) with the clamp (123).

13. Install the priming piston (108) and retaining pin

(116) on the connecting rod (109).

14. Slide the displacement rod (117) into the coupler.

Then, attach the clamp (123) to hold the pump
to the motor base.

3A5564D

5

Summary of Contents for SaniForce 25N007

Page 1: ...um unloader unloader unloader systems systems systems For For For professional professional professional use use use only only only Important Important Important Safety Safety Safety Instructions Inst...

Page 2: ...nt Pump 12 Product Dimensions 14 Performance chart 15 Technical Data 16 Graco Standard Warranty 18 Models Models Models Pump Model Pump Lower Replacement Pump Type Approvals 25M912 25M906 25M912C31 Pr...

Page 3: ...injury hearing loss or inhalation of toxic fumes This procedure involves thoroughly disassembling and cleaning the individual parts in the pump lower Prior to performing these procedures 1 Flush the...

Page 4: ...this procedure flush the pump and relieve pressure as described in the system manuals disconnect all hoses and remove the pump from the system 1 Release the upper clamp 123 holding the displacement p...

Page 5: ...by one as needed 5 Install the v block packing 105 and bearing 106 in the packing housing 103 The lips of the packing must face down into the housing and the lip of the bearing must face up Install th...

Page 6: ...dure flush the pump and relieve pressure as described in the system manuals disconnect all hoses and remove the pump from the system 1 Release the upper clamp 123 holding the displacement pump to the...

Page 7: ...on the seat of the piston housing 114 Install the housing in the displacement rod 108 so the holes in both parts align Secure with the retaining pin 110 and one o ring retaining clip 111 7 Install the...

Page 8: ...thread locker 2 Hand tighten only 5 Apply an appropriate medium strength thread locker on the nut 13 every time it is installed to prevent it from coming loose during operation Torque to 30 36 ft lb 4...

Page 9: ...1 25 sst 4 10 24G862 FITTING air inlet 1 2 npt includes Ref 23 1 11 16C946 FITTING 3 4 npt 1 12 165053 O RING PTFE 1 13 16C306 NUT hand 1 15 17W547 LABEL warning not shown 1 21 GROMMET see Kits Kits K...

Page 10: ...Priming Piston Displacement Pump Priming Priming Priming Piston Piston Piston Displacement Displacement Displacement Pump Pump Pump 10 3A5564D...

Page 11: ...7 17S673 HOUSING inlet valve 1 108 195214 PISTON priming 1 109 16C195 ROD connecting 1 110 103462 BALL 3 4 in 19 mm stainless steel 1 111 195215 STOP inlet valve 1 112 604016 BEARING priming piston 1...

Page 12: ...Double Ball Displacement Pump Double Double Double Ball Ball Ball Displacement Displacement Displacement Pump Pump Pump 1 Apply sanitary lubricant to ease assembly 12 3A5564D...

Page 13: ...LINDER pump stubby pump 107 620223 CLAMP 2 1 2 in 64 mm 1 108 207552 ROD displacement drum length 1 902981 ROD displacement stubby pump 109 169846 HOUSING piston 1 110 169845 PIN retaining piston hous...

Page 14: ...5N007 25U790 Model Model Model A A A in cm B B B in cm C C C in cm D D D in cm 25M912 40 1 102 20 6 52 16 0 41 6 5 16 5 25N007 60 5 154 41 0 104 36 4 92 6 5 16 5 25U790 36 1 91 18 7 47 14 3 36 6 5 16...

Page 15: ...ed in No 10 weight oil 700 4 8 48 25 0 71 30 0 85 35 1 0 100 0 7 7 200 1 4 14 300 2 1 21 400 2 8 28 500 3 4 34 600 4 1 41 1 0 3 8 2 0 7 6 3 0 11 4 4 0 15 1 5 0 14 10 0 28 15 0 42 20 0 57 0 15 30 45 60...

Page 16: ...erature Air Motor 120 F 49 C Air Inlet 1 2 npt f Air Exhaust 3 4 npt m 2 3 in 5 8 cm Priming Piston with flange for 6 in 15 2 cm Clamp Fluid Inlet Type 1 44 in 3 8 cm Double Ball with flange for 6 in...

Page 17: ...Notes Notes Notes Notes 3A5564D 17...

Page 18: ...RRANTY WARRANTY WARRANTY AND AND AND DISCLAIMS DISCLAIMS DISCLAIMS ALL ALL ALL IMPLIED IMPLIED IMPLIED WARRANTIES WARRANTIES WARRANTIES OF OF OF MERCHANTABILITY MERCHANTABILITY MERCHANTABILITY AND AND...

Reviews: