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Explanation of safety 
signals

Safety

Read and carefully observe these installation 
instructions before installing, operating or 
troubleshooting the referenced equipment. 
Referenced equipment must be installed, 
maintained and repaired exclusively by 
persons familiar with the instructions.

Always disconnect power source (electric-

ity, air or hydraulic) from equipment, if appli-
cable, when it is not being used.

Adequate personal protection must be 

used to prevent material from contacting the 
skin or eyes.

If any luid appears to penetrate the skin, 

seek medical treatment immediately. Do not 
treat injury as a simple cut. Tell attending 
physician exactly what luid was injected. 
Failure to comply may result in personal 
injury and/or damage to equipment. 

Any other use not in accordance with  

instructions will result in loss of claim for 
warranty or liability.

•  Never exceed maximum speciication 

ratings of the equipment.

•  Do not misuse, modify parts, or use worn 

and/or damaged parts.

•  Always read and follow the manufacturer’s 

recommendations regarding the use of 
protective clothing and equipment.

Overview

Model 85859 is a FlowMaster II rotary  
driven pumping unit designed to operate  
a Centro-Matic lubrication system. 

The pump includes motor speed control 

and built in circuit protection to prevent  
control burnout. The pump is double acting, 
dispensing lubricant on both “up” and 
“down” strokes. The model 85859 also 
includes:

•   A 2 in. 

(50,8 mm)

 follower plate.

•   An electric loat switch.
•  A vent valve for relieving line pressure to 

recharge the injectors.

•  A mechanical shut-off valve. 

This unit is for use with SL-V, SL-1, SL-11, 
SL-32 and SL-33 series injectors.

Mechanical shut-off valve

The mechanical shut-off valve automatically 
shuts off the illing of the reservoir without 
power applied to the system.

As grease lows through the valve and into 

the reservoir, the follower raises until it con-
tacts the pivot arm.  The pivot arm then rai-
ses until it contacts the pin on the shut-off 
valve and closes the valve. When the valve 
closes, the low of the grease to the reservoir 
stops.

Shut off the ill pump and relieve pressure 

between the ill pump and the shut-off valve 
in order to disconnect the ill line safely. 

Keep the pressure relief valve activated 

until the supply line pressure on the gauge 
falls below 200 psi 

(13 bar)

.  The ill line can 

then be removed at the quick disconnect 
point.

System speciications

Supply voltage

24 V DC

Ambient operating 
temperature

–40 to +150 °F  

(–40

 

to

 +

66 °C)

Container capacity

90 lb 

(41 kg

)

Mechanical shut-off valve speciications

Maximum operating 
pressure

6 000 psi  

(413,6 bar)

Operating temperature

–40 to +150 °F 

(–40 to +65 °C

)

Port shut-off body 

1

/

2

 NPTF

Contents

Safety  . . . . . . . . . . . . . . . . . . . . . . . . . 2
Explanation of safety signals  . . . . . . . 2
Overview . . . . . . . . . . . . . . . . . . . . . . . 2
Maintenance and repair . . . . . . . . . . . 3

 



C AUTION

Indicates a hazardous situation which,if not 
avoided, could result in minor or moderate 
injury.

 



WARNING

Indicates a hazardous situation which,if not 
avoided will result in death or serious injury.

 



DANGER

Indicates a hazardous situation which,if not 
avoided, will result in death or serious injury.

2

Summary of Contents for SKF 85859

Page 1: ...structions Model 85859 series A FlowMaster II rotary driven electric pump 24 V DC Date of issue August 2016 Form number 404696A Read manual prior to installation or use of this product Keep manual nearby for future reference ...

Page 2: ... 8 mm follower plate An electric loat switch A vent valve for relieving line pressure to recharge the injectors A mechanical shut off valve This unit is for use with SL V SL 1 SL 11 SL 32 and SL 33 series injectors Mechanical shut off valve The mechanical shut off valve automatically shuts off the illing of the reservoir without power applied to the system As grease lows through the valve and into...

Page 3: ...44 29 1 4 in NPTF Fig 1 Outlet check assembly 5 System malfunction Refer to Troubleshooting page 6 for deter mining common problems and solutions Outlet check service Refer to ig 1 The pump will not build up suficient lubricant pressure if the outlet check assembly 5 is fouled Foreign mate rial may lodge beneath the steel ball 47 or between check bushing assembly 44 and the seat of pump check disc...

Page 4: ...n death or serious personal injury WARNING Do not operate without safety unloader installed If not installed install safety unloader before using pump Failure to comply may result in death or serious personal injury Upon reassembly tighten to 10 ft lbf 13 5 Nm Safety unloader is preset and non adjustable Follower Refer to ig 2 and ig IPB 1 page 7 Service unit if follower foam is damaged or fails t...

Page 5: ...ick connect itting NOTE For ease of illing tank pressure relief valve or pressure regulator not provided can be mounted remotely Refer to Fig 3 for proper connection of hoses DANGER Do not allow pressure to exceed 6 000 psi 413 6 bar Do not operate pump without pres sure regulator or pressure relief valve to regulate maximum pressure delivered by pump Pressure regulator or relief valve not provide...

Page 6: ...wer plate and container for damage Pump piston or checks are worn Refer to pump service page 404517 Pump runs but output is low Motor speed control set too low Refer to pump service page 404517 Faulty inlet or discharge check valve in pump Refer to pump service page 404517 Lubricant leaking from safety Pressure of system set too high Adjust pressure switch setting unloader valve Safety unloader da...

Page 7: ...7 56 55 61 62 61 63 64 52 60 59 51 53 54 52 14 15 6 16 17 18 2 3 4 5 6 13 17 6 in 447 mm 19 3 in 490 mm 7 8 11 6 12 68 9 10 26 27 19 21 22 23 24 25 70 71 28 29 30 31 32 20 35 33 34 39 41 40 28 7 in 729 mm 36 37 38 33 34 Torque to 9 10 ft lbf 12 13 5 Nm 69 66 65 67 Fig IPB 1 See page 4 7 ...

Page 8: ...M2 P 72 73 74 75 76 77 78 79 80 81 82 83 84 Apply two drops 242 Loctite 180 degrees apart Torque to 30 35 ft lbf 41 47 Nm All ports are 1 2 NPT Fig IPB 2 Block and guide assembly 70 8 ...

Page 9: ... Hex head screw 1 4 20 x 4 1 2 in 4 241102 22 Nut 1 12538 64 Follower plate 1 276888 23 Vent pipe 1 67290 65 Solenoid coil 24 V DC 1 277426 24 Follower assembly 1 85706 66 Cartridge valve 1 279218 25 Pipe plug 1 4 in NPTF 1 67007 67 Vent valve body 1 278958 26 Hex head screw 5 16 18 x 3 4 in 2 50016 68 45 street ell 1 278847 27 Lock washer 5 16 in 2 66246 69 Pivot arm assembly 1 279197 28 Hex head...

Page 10: ...This page is intentionally blank 10 ...

Page 11: ...This page is intentionally blank 11 ...

Page 12: ... has been taken to ensure the accuracy of the information contained in this publication but no liability can be accepted for any loss or damage whether direct indirect or consequential arising out of the use of the information contained herein PUB LS I4 16709 EN R1 August 2016 Form 404696A Warranty The instructions do not contain any infor mation on the warranty This can be found in the General Co...

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