Lincoln SKF FlowMaster II Bedienungsanleitung

User and maintenance instructions

Caterpillar model 434-3375, series “B”

FlowMaster II pump

Date of issue January 2024

Form number 404695

Version 4

For CATERPILLAR only

*Indicates change.

Contents

Declaration of Incorporation * . . . . . . 3

U.K. Declaration of Incorporation * . . 4

Safety* . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Explanation of signal words

for safety . . . . . . . . . . . . . . . . . . . . . . . . . 5

Overview . . . . . . . . . . . . . . . . . . . . . . . . 6

Product speciﬁcations. . . . . . . . . . . . . . . 6

Dimensions . . . . . . . . . . . . . . . . . . . . . . . 6

System operation . . . . . . . . . . . . . . . . . 7

Installation. . . . . . . . . . . . . . . . . . . . . . . 7

Bare pump assembly . . . . . . . . . . . . . . 7

Filling reservoir. . . . . . . . . . . . . . . . . . . 7

Maintenance

and repair . . . . . . . . . . . . . . . . . . . . . . . 8

General maintenance . . . . . . . . . . . . . . 8

In case of system malfunction. . . . . . . 8

Outlet check service . . . . . . . . . . . . . . . 8

Outlet check assembly (13) . . . . . . . . . . . 8

Safety unloader valve . . . . . . . . . . . . . 9

Vent valve service . . . . . . . . . . . . . . . . . 9

Vent valve (26). . . . . . . . . . . . . . . . . . . . . 9

Low level indicator . . . . . . . . . . . . . . . . 10

Follower . . . . . . . . . . . . . . . . . . . . . . . . . 10

Follower assembly (38). . . . . . . . . . . . . . 10

Low level indicator . . . . . . . . . . . . . . . . . 10

Troubleshooting . . . . . . . . . . . . . . . . . . . 11

Service parts. . . . . . . . . . . . . . . . . . . . . . 13

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . 16

*Indicates change.

Declaration of Incorporation * DOCUMENT NUMBER

404695.DoI

Manufacturer name/address:

Lincoln Industrial Corporation

5148 N. Hanley Road

St. Louis, MO 63134 U.S.A.

TEL: +1 (314) 679-4200 FAX: +1 (314) 679-4367

Authorized to compile the technical ﬁle:

SKF Lubrication Systems Germany GmbH

Heinrich-Hertz-Straße 2-8

69190 Walldorf, Germany

TEL: +49 (0) 6227-330

EMAIL: robert.collins@skf.com WEBSITE: www.skf.com

This Declaration of Incorporation is issued

under sole responsibility of the

manufacturer. Lincoln Industrial Corporation

hereby declares that the partly completed

machinery stated below:

Name: FlowMaster II - Caterpillar branded

Model number(s): 434-3375

Description: Rotary-driven hydraulic

pump (85875), series “B”

Year of CE: 2023

in its intended use, is in conformity with the

relevant union harmonization legislation:

Machinery Directive 2006/42/EC

(Article 13 Partly Completed Machinery)

and conforms to the following harmonized

standards:

EN ISO 4413: 2010

Hydraulic ﬂuid power –

General rules and safety requirements for

systems and their components

EN ISO 12100: 2010

Safety of machinery- general principles

for design. Risk assessment and risk

reduction

EN ISO 809:1998+A1:2009

Pumps and pump units for liquids -

common safety requirements

EN 12162: 2009

Liquid pumps - safety requirements.

Procedure for hydrostatic testing

EN 349: 1993

Safety of machinery - minimum gaps to

avoid crushing of parts of the human body

I, the undersigned of Lincoln Industrial Corporation, do hereby declare that the equipment speciﬁed above, in its intended use, conforms to

the requirements of the above EC Directive(s).

___________________________________

Robert Collins

Technical Compliance Manager

St. Louis, MO, U.S.A.

2023/08/31

The following EHSR (Essential Health and

Safety Requirements) have been applied:

1.1.2a – 1.1.2b – 1.1.2c – 1.1.2d - 1.1.3 –

1.1.5 – 1.2.2 – 1.2.5 – 1.3.2 – 1.3.3 – 1.3.4

– 1.3.6 – 1.3.7 – 1.3.8 – 1.5.3 – 1.5.4 –

1.7.1 – 1.7.1.1 – 1.7.3 – 1.7.4

The manufacturer maintains a technical ﬁle

summary sheet containing test reports and

product documentation:

Technical ﬁle summary sheet number:

RA404581-00

*Indicates change.

U.K. Declaration of Incorporation * DOCUMENT NUMBER

UK404695CA

Manufacturer name/address:

Lincoln Industrial Corporation

5148 N. Hanley Road

St. Louis, MO 63134 U.S.A.

TEL: +1 (314) 679-4200 FAX: +1 (314) 679-4367

Authorized to compile the technical ﬁle:

SKF (U.K.) Limited

2 Canada Close

Banbury, Oxfordshire, OX16 2RT, GBR

EMAIL: robert.collins@skf.com WEBSITE: www.skf.com

This U.K. Declaration of Incorporation is

issued under sole responsibility of the

manufacturer. Lincoln Industrial Corporation

hereby declares that the partly completed

machinery stated below:

Name: FlowMaster II - Caterpillar branded

Model number(s): 434-3375

Description: Rotary-driven hydraulic

pump (85875), series “B”

Year of CE: 2023

in its intended use, is in conformity with the

relevant union harmonization legislation:

Supply of Machinery (Safety) Regulations

2008 (2008 No. 1597)

along with the following Directive(s) that

were also applied with the above legislation:

EN ISO 4413: 2010

Hydraulic ﬂuid power –

General rules and safety requirements for

systems and their components

EN ISO 12100: 2010

Safety of machinery- general principles

for design. Risk assessment and risk

reduction

EN ISO 809:1998+A1:2009

Pumps and pump units for liquids -

common safety requirements

EN 12162: 2009

Liquid pumps - safety requirements.

Procedure for hydrostatic testing

EN 349: 1993

Safety of machinery - minimum gaps to

avoid crushing of parts of the human body

I, the undersigned of Lincoln Industrial Corporation, hereby declare that the equipment speciﬁed above, in its intended use, conforms with the

Essential Health and Safety Requirements of U.K. legislation Supply of Machinery (Safety) Regulations 2008 No. 1597 Annex I, Declaration of

Incorporation by the time of placing it on the market.

___________________________________

Robert Collins

Technical Compliance Manager

St. Louis, MO, U.S.A.

2023/08/31

The following EHSR (Essential Health and

Safety Requirements) have been applied:

1.1.2a – 1.1.2b – 1.1.2c – 1.1.2d - 1.1.3 –

1.1.5 – 1.2.2 - 1.2.5 – 1.3.2 – 1.3.3 – 1.3.4

– 1.3.6 – 1.3.7 – 1.3.8 – 1.5.3 – 1.5.4 –

1.7.1 – 1.7.1.1 – 1.7.3 – 1.7.4

The manufacturer maintains a technical ﬁle

summary sheet containing test reports and

product documentation:

Technical ﬁle summary sheet number:

RA404581-00

Safety*

The assembly must be installed, maintained

and repaired exclusively by persons familiar

with the instructions.

Always disconnect power source

(electricity, air or hydraulic) from the

equipment when it is not being used.

This equipment generates high pressure.

Extreme caution should be used when

operating this equipment as material leaks

from loose or ruptured components can

inject ﬂuid through the skin and into the

body. If any ﬂuid appears to penetrate the

skin, seek attention from a doctor

immediately. Do not treat injury as a simple

cut. Tell attending doctor exactly what type of

ﬂuid was injected.

Any other use not in accordance with

instructions will result in loss of claim for

warranty or liability.

• Do not misuse, over-pressurize, modify

parts, use incompatible chemicals, ﬂuids,

or use worn and/or damaged parts.

• Do not exceed the stated maximum

working pressure of the equipment or of

the lowest rated component in your

system.

• Always read and follow the manufacturer’s

recommendations regarding ﬂuid

compatibility, and the use of protective

clothing and equipment.

• Failure to comply may result in personal

injury and/or damage to equipment.

CAUTION

Do not operate equipment without

wearing personal protective gear.

Wear eye protection. Protective

equipment such as dust mask, non-skid

safety shoes, hard hat, or hearing pro-

tection used for appropriate conditions

will reduce personal injuries.

Failure to comply may result in light

personal injury.

WARNING

Do not exceed the stated

maximum working pressure

of the equipment or of the

lowest rated component in

your system.

Use extreme caution when operating

equipment as equipment generates

very high grease pressure.

Failure to comply may result in light

personal injury.

WARNING

Do not use this equipment to supply,

transport, or store hazardous

substances and mixtures in accordance

with annex I part 2-5 of the CLP

regulation (EG 1272/2008) or HCS 29

CFR 1910.1200 marked with GHS01,

GHS06 and GHS08 hazard pictograms

shown:

Explanation of signal

words for safety

NOTE

Emphasizes useful hints and

recommendations as well as

information to prevent property damage

and ensure efﬁcient trouble-free

operation.

CAUTION

Indicates a dangerous situation that can

lead to light personal injury if

precautionary measures are ignored.

WARNING

Indicates a dangerous situation that

could lead to death or serious injury if

precautionary measures are ignored.

DANGER

Indicates a dangerous situation that will

lead to death or serious injury if

precautionary measures are ignored.

WARNING

Do not operate equipment

without reading and fully

understanding safety

warnings and instructions.

Failure to follow warnings and

instructions may result in serious injury.

*Indicates change.

20.46 in

(520 mm)

37.4 in

(950 mm)

40°

20°

Overview

Model 85875 is a pumping unit designed to

operate a Centro-Matic lubrication system.

Unit includes a vent valve to relieve line

pressure to recharge injectors.

FlowMaster II rotary-driven hydraulic

pump includes pressure reducing valve,

ﬂow control valve and solenoid operated

(24 V ) on/off valve. Pump is double

acting, dispensing lubricant on both “up”

and “down” strokes.

This unit is for use with SL-V, SL-1, SL-11,

SL-32 and SL-33 series injectors.

*Indicates change.

Table 1

Product speciﬁcations

Operating working hydraulic pressure Fixed at 400 psi (28 bar)

Maximum output pressure 3 500 psi (241 bar)

Hydraulic inlet ﬂow Up to 7 gal/min (27 l/min)

Pump ratio with manifold Approximately 10:1

Ambient operating temperature –40 to +150 °F (–40 to +66 °C) *

Operating voltage 24 V

Hydraulic inlet port SAE 4

Tank return port SAE 6

Maximum hydraulic ﬂuid temperature 250 °F (121 °C)

Container capacity 90 lbs (40,9 kg)

Fig. 1 *

Dimensions

*Indicates change.

System operation

When all bearings have received lubricant,

pressure rises in the system, activating the

pressure switch. When pressure switch

activates, control is reset to de-energize

solenoid valve cutting off hydraulic oil

pressure to pump and vent valve. Pump

stops, pressure vents and pressure switch

deactivates. Control begins timing toward

next lube event.

Installation

Locate unit so that electric and hydraulic

power connections are accessible.

1 Mark center locations of the six holes at

bottom of reservoir.

2 Drill six 1/2in (13 mm) holes.

Use 7/16 in (11 mm) bolts for added

ﬂexibility in securing reservoir to

equipment.

3 Connect lubricant outlet of pump to

system with suitable hose capable of

3500 psi (241 bar) working pressure.

4 Connect hydraulic inlet with at least

3/8in (9 mm) I. D. hose capable of at least

3000 psi (207 bar) operating pressure.

5 Connect hydraulic return to tank

connection line with 3/4in (19 mm) ID

hose or pipe.

Bare pump

assembly

Refer to 85877 operation manual 404693

for setting pump speed on 24 V motor.

Filling reservoir

To bulk ﬁll reservoir:

1 Attach model 80933 button head coupler

to button head connector (75) on lower

ﬁll port.

2 Fill reservoir until grease level gauge

indicates it is full or until grease appears

at top high level port.

3 Remove button-head coupler.

WARNING

Do not overpressurize reservoir during

ﬁlling process.

Failure to comply may cause damage

to reservoir, death and/or serious

personal injury.

WARNING

Do not perform maintenance or service

prior to disconnecting all hydraulic and

electric power to pump assembly.

Failure to comply may cause death

and/or serious personal injury.

44 43

45 47 46 48

1/ in

NPTF

Maintenance

and repair

General maintenance

• Keep area around pump and ﬁlling port

clean, especially prior to ﬁlling reservoir,

as lubricants attract dirt and debris.

• Keep lubricants free of contaminants.

In case of system

malfunction

Refer to Troubleshooting, page 11 for

determining common problems and

solutions.

Outlet check service

See Fig. 2 and Fig. IPB 1, page 12.

Pump will not build up sufﬁcient lubricant

pressure if outlet check assembly (13) is

fouled. Foreign material may lodge

beneath steel ball (47) or between check

bushing assembly (44) and seat of pump

check disc assembly (43). Sealing surfaces of

seat must fully seal.

1 Remove hose assembly (15).

2 Remove entire outlet check assembly (13),

street elbow (12) and adapter (14).

3 Remove street elbow (12)

and adapter (14) from

outlet check assembly (13).

4 Remove outlet connector (48) from

check bushing assembly (44).

5 Remove ball check (45) from

outlet connector (48).

6 Inspect all check components (43, 44,

45, 47) for presence of foreign material,

scoring and/or other damage that may

cause internal leakage. Replace

components if damage is found.

7 Replace gaskets (42, 46) whenever outlet

check assembly (13) is disassembled.

8 For assembly, torque outlet connector (48)

and check bushing assembly (44) to

100 ft.lbf (13,5 Nm).

Fig. 2

Outlet check assembly (13)

/ in NPTF

34/ in NPTF

WARNING

Do not operate without safety unloader.

Safety unloader ships with pump

assembly, but is not pre-installed.

Safety unloader must be installed

before using pump.

Failure to comply may result in death

or serious personal injury.

WARNING

Do not plug outlet of safety unloader.

Plugging safety unloader outlet results

in pressure build up.

Failure to comply may result in death

or serious personal injury.

Safety unloader valve

Refer to Fig. IPB 1, page 12.

If pressure switch fails to operate,

safety unloader valve (1) activates at

3750 to 4250 psi (259 to 293 bar) lubricant

pressure to relieve supply line pressure.

Safety unloader valve (1) is not serviceable

and must be replaced if malfunctioning

occurs.

Upon reassembly, tighten to

10 ft.lbf (13.5 Nm). Safety unloader

is preset and non-adjustable.

Vent valve service

1 Refer to Fig. 3 and Fig. IPB 1, page 12.

Loosen hose assembly (15) and

(vent) hose assembly (11).

2 Remove hex head cap screws (40)

and lockwashers (39) and remove

vent valve (26).

3 Position vent valve (26) in vice with vice

jaws gripping ﬂats on vent valve base.

4 Remove elbows (25, 27) and

reducer nipple (16).

5 Remove cylinder (51) with piston and

U-cup assembly (50).

6 Remove packing assembly (49) from

cylinder (51).

7 Inspect needle (52)and valve seat (53) for

foreign matter that may be lodged and

keeping needle (52) from sealing in

valve seat (53).

8 Clean and inspect again for damage.

Replace if valve seat (53) appears

damaged by nicks, grooves or scoring.

9 Remove valve seat (53) from

valve body (54) by placing a 3/4in open

end wrench onto ﬂats. Using an adjustable

wrench, turn open end wrench to

loosen seat.

10 Replace valve seat (53) if damaged.

11 Remove and replace check seat

gasket (55) below valve seat (53).

12 To ease assembly, coat needle (51) and

cylinder (50) inside diameter

with lubricant.

13 Install valve seat (53) into valve body (54)

to a torque of 25 ft.lbf (39 Nm).

14 Install cylinder (50) onto valve body (53)

and tighten to a torque of

100 ft.lbf (135 Nm).

NOTE

Elbow (25) must be facing down.

Orient elbow (27) as shown in

Fig. IPB 1, page 12 to prevent excessive

rubbing of hydraulic hose on pump.

NOTE

Replace packing assembly (49) if grease

leakage is evident from weep hole in

hydraulic cylinder.

Fig. 3

Vent valve (26)

68 69

1) 1)

Low level indicator

Refer to Fig. 4 and Fig. IPB 1, page 12.

If indicator pin appears to drop prematurely

or water is noticeable on top of follower indi-

cator, seal may be damaged.

1 Remove bolts (4, 18) and washers (19)

holding cover on reservoir.

2 Inspect reservoir gasket (21) for damage

and replace if necessary.

3 Remove entire pump, vent valve and

follower assembly from reservoir.

4 Remove retaining ring (57) from

cable assembly (58).

5 Hold indicator plug (62) with a wrench

while removing indicator nut (60).

6 Remove and replace O-ring (59).

7 For assembly, torque indicator nut (60) to

20 ft.lbf (27 Nm).

NOTE

For assembly, install long bolts

staggered with short bolts as shown.

Fig. 4

Low level indicator

Fig. 5

Follower assembly (38)

1) Long bolt

Follower

Refer to Fig. 4 and Fig. 5 and

Fig. IPB 1, page 12. Service unit if follower

foam is damaged or fails to wipe sides of

reservoir effectively.

1 Remove bolts (4, 18) and washers (19)

holding cover on reservoir.

2 Lift entire pump, vent valve and cover

assembly out of reservoir.

3 Remove low level indicator

cable assembly (58) from weighted

follower plate (66).

4 Remove follower assembly (38)from

pump tube.

5 Remove nuts (67) and follower plate (66)

on top of follower.

6 Remove and replace follower foam (68).

7 Assemble follower by reversing the

disassembly procedure.

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