Graco SaniForce Stücklistenhandbuch

Instructions and Parts

SaniForce™ 6:1 Sanitary Pumps 3A5564A

Specially designed for use only in Graco SaniForce pail or drum unloader systems. For professional use

only.

Important Safety Instructions

Read all warnings and instructions in this manual and in related

system manuals. Save all instructions.

Maximum Working Air Pressure: 100

psi (0.7 MPa, 6.9 bar)

Maximum Working Fluid Pressure: 650

psi (4.5 MPa, 44.8 bar)

PROVEN QUALITY. LEADING TECHNOLOGY.

Contents

Models............................................................... 2

Related Manuals ................................................ 2

Usage................................................................ 4

Cleaning ............................................................ 4

Priming Piston Service ........................................ 5

Disconnect the Pump ................................... 5

Disassemble the Pump................................. 5

Reassemble After Cleaning .......................... 6

Parts.................................................................. 7

Kits.................................................................... 8

Priming Piston Displacement Pump Model

25M906, 25M906C31 ............................ 9

Product Dimensions............................................ 11

Performance chart .............................................. 12

Technical Data ...................................................13

Graco Standard Warranty.................................... 14

Models

Pump Model Pump Lower

Replacement

Pump Type Approvals

25M912 25M906

25M912C31 25M906C31

Priming Piston Pump

EC 1935/2004

Related Manuals

Manual Number Title

3A5400 SaniForce Pail Unloader (SPU) System, Operation

3A5401 SaniForce Pail Unloader (SPU) System, Repair/Parts

3A5402 SaniForce Drum Unloader, Operation

3A5404 SaniForce Drum Unloader, Parts

3A1211 SaniForce Air Motors

23A5564A

Related Manuals

3A5564A 3

Usage

This pump must be used as part of a SaniForce pail

or drum unloader system. Refer to the appropriate

system manuals for operation instructions of this

pump when installed in those systems.

Cleaning

WARNING

PRESSURIZED FLUID HAZARD

This equipment stays pressurized until pressure is

relieved manually. To help prevent serious injury

from moving parts, or from pressurized ﬂuid, such

as splashing in the eyes or on skin, follow the

Pressure Relief Procedure in your system manual

when you stop pumping and before you clean,

check, or service the equipment.

PERSONAL PROTECTIVE EQUIPMENT

Wear appropriate protective equipment when

in the work area to help prevent serious injury,

including eye injury, hearing loss, or inhalation of

toxic fumes.

This procedure involves thoroughly disassembling

and cleaning the individual parts in the pump lower

unit. Prior to performing this procedure, ﬂush the

pump and relieve pressure as described in the

system manuals, disconnect all hoses, and remove

thepumpfromthesystem.

Notes:

•Be sure to follow your national and state sanitary

standard codes and local regulations.

• Use appropriate cleaning and disinfecting agents,

at intervals appropriate for product processed.

• Follow cleaning product manufacturer’s

instructions.

• The pump must be disassembled to thoroughly

clean it.

1. Loosen the hand screw (13) and remove the

upper shield (6).

2. Clean thoroughly the surface between the upper

and lower shields.

3. Disassemble the ﬂuid pump. See

Priming Piston Service, page 5 .

4. Wash all pump parts with an appropriate cleaning

solution at the cleaning product manufacturer’s

recommended temperature and concentration.

5. Rinse all pump parts again with water and allow

them to dry.

6. Inspect all pump parts and reclean if needed.

NOTE: Any damaged rubber parts must be

replaced as they could harbor microorganisms

that can contaminate the ﬂuid.

7. Immerse all pump parts in an appropriate

sanitizer before assembly. Take the pump parts

out of the sanitizer one-by-one as needed.

8. Lubricate the moving pump parts and o-rings,

packings, and seals with appropriate waterproof

sanitary lubricant.

9. Circulate the sanitizing solution through the pump

and the system prior to use.

43A5564A

Priming Piston Service

Disconnect thePump

WARNING

PRESSURIZED FLUID HAZARD

This equipment stays pressurized until pressure is

relieved manually. To help prevent serious injury

from moving parts, or from pressurized ﬂuid, such

as splashing in the eyes or on skin, follow the

Pressure Relief Procedure in your system manual

when you stop pumping and before you clean,

check, or service the equipment.

PERSONAL PROTECTIVE EQUIPMENT

Wear appropriate protective equipment when

intheworkareatohelppreventseriousinjury,

including eye injury, hearing loss, or inhalation of

toxic fumes.

This procedure involves thoroughly disassembling

and cleaning the individual parts in the pump lower

unit. Prior to performing this procedure, ﬂush the

pump and relieve pressure as described in the

system manuals, disconnect all hoses, and remove

thepumpfromthesystem.

1. Release the upper clamp (123) holding the

displacement pump to the tie rod plate (122).

2. Slide the pump down from the air motor. Tilt the

pump and pull the displacement rod (117) out of

the coupler (C). Remove the gasket (102).

Note: Be careful not to scratch the displacement

rod.

Figure 1 Remove displacement pump.

Disassemble the Pump

Note: Pump Repair Kit 24G550 is available.

Purchase the kit separately. Kit parts are

marked with an * in the parts section. See

Priming Piston Displacement Pump Model 25M906,

25M906C31, page 9 .

1. Remove the retaining pin (116) from the

connecting rod (109). Slide off the priming piston

(108).

2. Release the lower clamp (123) to remove the

intake valve housing (107) from the pump

cylinder (101). Remove the gasket (102).

3. Remove the poppet (114), spring (113), and

valve stop (111) off the connecting rod (109).

4. Remove the bearing (112) from the center of the

valvestop(111).

5. Remove the packings (115) from the center of

the poppet (114).

Figure 2 Remove priming piston.

6. Push the displacement rod (117) out through the

bottom of the cylinder (101).

3A5564A 5

Priming Piston Service

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, page 4 . Replace the parts as

necessary.

Figure 4 Remove packing housing.

Reassemble After Cleaning

Note: Any damaged parts must be replaced.

Note: Lubricate the o-rings, throat packings, and

piston seals with appropriate waterproof sanitary

lubricant.

1. 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.

2. 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).

3. Lubricate and place the packing housing (103) in

the top of the cylinder.

4. Lubricate and slide the displacement rod (117)

up through the cylinder so it protrudes from the

packing housing (103).

5. Lubricate and install the packings (115) into the

center of the poppet (114).

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

center of the valve stop (111).

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

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

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

housing (107). Secure the housing (107) to the

cylinder (101) with the clamp (123).

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

(116) on the connecting rod (109).

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

Then, attach the clamp (123) to hold the pump

to the motor base.

63A5564A

Parts

Complete Pump Models

25M912

25M912C31

1Apply PTFE tape to threads.

2Hand tighten only.

3Apply sanitary lubricant to ease

assembly.

4Apply medium-strength (blue)

thread locker.

5Apply 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 (41–49

N-m). Do not over tighten.

3A5564A 7

Kits

Complete Pump Model 25M912, 25M912C31

Ref. Part Description Qty.

124G785 MOTOR, SaniForce; 3.5 in; see manual 3A1211 1

2DISPLACEMENT PUMP: 1

25M906 EN 10204, type 2.1

25M906C31 EN 10204, type 3.1

3 16A938 COUPLER 1

4 16A947 TIE ROD, 7 in. (178 mm) between shoulders 3

5102216 NUT, lock, 5/8-11, sst 3

616G464 SHIELD, upper; includes grommets (Ref. 21) 1

716G465 SHIELD, lower; includes fasteners (Ref. 8) and grommets (Ref. 21) 1

8 118134 SCREW, cap; M8 x 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

22 16G084 FITTING, air inlet, 1/2 npt 1

23 166702 O-RING, air inlet, buna-n, included with Ref. 10 1

▲Replacement Danger and Warning labels, tags, and cards are available at no cost.

‡

These parts are not used with Model 25D363.

Kits

Grommet Kit 16G628

Ref. Part Description Qty.

21a* —GROMMET, air motor

piston rod

21b —GROMMET, air ﬁtting 2

21c —GROMMET, tie rod 3

* Order Kit 16H925 for qty. 3 of the piston rod grommet.

83A5564A

Priming Piston Displacement Pump Model 25M906, 25M906C31

Priming Piston Displacement Pump Model 25M906,

25M906C31

3A5564A 9

Priming Piston Displacement Pump Model 25M906, 25M906C31

Ref. Part Description Qty.

101 902980 CYLINDER, pump1

102* 166117 GASKET, 2 1/2 in. (64 mm),

buna-n

103 180918 HOUSING, packing 1

104* 166119 CYLINDER SEAL, buna-n 1

105* 180238 THROAT PACKING, buna-n 1

106* 605752 BEARING, sleeve 1

107 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

111 195215 STOP, inlet valve 1

112* 604016 BEARING, priming piston 1

113* 501095 SPRING, ball check 1

Ref. Part Description Qty.

114 604018 POPPET, inlet valve 1

115* 603778 PACKING, inletvalve,

neoprene

116 604008 PIN, retaining, priming piston 1

117 902983 ROD, displacement 1

118 169845 PIN, retainer 1

119* 167972 O-RING 1

120* 167971 SEAL, piston, neoprene 1

122 16A945 PLATE, tie rod 1

123 620223 CLAMP, 2 1/2 in. (64 mm) 2

130 172687 TAG, Instruction, not shown 1

* Parts included in Repair Kit 24G550.

10 3A5564A

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