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Ridge Tool Company/Elyria, Ohio, U.S.A.

62

Hydraulic Hand Pump, H-18

Service Notes for H-18

HIGH PRESSURE RELIEF VALVE SETTING

The High Pressure Relief Valve on this pump is factory preset at 9,400 to 10,500 PSI. The setting can be checked or reset as follows:

A. Attach a 15,000 PSI gauge to outlet port of pump.
B. Operate pump cautiously to build pressure while watching gauge.
C. If maximum pressure exceeds 10,500 PSI:

1. Stop pumping and open release valve.
2. Turn adjusting plug, Ref. 34, counterclockwise 1/2 turn and retest.

D. If maximum pressure is less than 9,400:

1. Turn adjusting plug clockwise 118 turn and retest.

E. Continue Step “C” or “D” until specified range is achieved. Lock in place with jam nut, Ref. 33.

Single-Stage, Two-Way Valve

Ref.

Catalog

No.

No.

Description

24542

H-18 Hand Pump

1

24497*

Snap Ring (6) 

2

24492

Pin

3

24202

Pin

4

24222

Handle Head

5

24502

Handle

6

24272

Hand Grip

7

24487

Lever Crank

8

24127

Piston

9

24132

Packing Nut

10

24137*

Back-up Ring 

11

24142*

O-Ring

12

24177

Spring Stop Bolt

13

24147*

Copper Washer

14

24182*

Spring 

15

24187*

Steel Ball (6 mm)

16

24192*

Spring

17

24152*

Steel Ball (3) (4.8 mm)

18

24227*

Copper Washer

19

24162

Valve Stem

Ref.

Catalog

No.

No.

Description

20

24157*

O-Ring (2) 

21

24167

Valve Guide

22

24172

Knob

23

24507

O-Ring (2)

24

24232

Reservoir

25

24237

Reservoir Cap

26

21847

Hydraulic Hose, 3 ft.

27

24207

Pin

28

24122

Pump Body

29

24217

Elbow, 45 Deg., 

3

/

8

NPTF

30

24247

Valve Body

31

24252

Ball Guide

32

24257

Spring

33

24262

Jam Nut

34

24267

Adjusting Plug

35

24197

Intake Tube w/Filter

36

24107

Hose Half Coupler

Following items not shown:

26032*

Decal, Trade Name

26067

Repair Kit (includes * items)

5

4

31

2

3

1

34

36

30

33

26

17

32

20

NOTE: Order parts by Catalog Number only.

DO NOT order by Reference Number.

28

27

29

12

13

14

15

16

18

17

19

20

21

22

11

10

23

24

23

25

35

8

9

7

1

High Pressure
Relief (See
Service Notes)

6

17

RESERVOIR CAPACITY

Proper Oil Fill: 18.6 Cu. In. = 10.5 Ozs.
Fill to between lines inside reservoir.

Items marked with an asterisk (*) are included in the Repair Kit.
†See Service Notes.

NOTE: All components are METRIC dimensions.

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