Hydraulic Hand Pump, H-18
Single-Stage,Two-Way Valve
4
1
3
5
6
2
12
1
7
8
13
RESERVOIR CAPACITY
22
21
20
14
15
16
Proper Oil Fill: 18.6 Cu. In. = 10.5 Ozs.
Fill to between lines inside reservoir.
9
10
11
19
17
17
23
32
18
26
24
28
20
27
29
30
17
31
23
25
33
34
35
High Pressure
Relief (See
Service Notes)
36
NOTE: Order parts by Catalog Number only.
DO NOT order by Reference Number.
NOTE: All components are METRIC dimensions.
Ref.
No.
Catalog
No.
Ref.
No.
Catalog
No.
Description
Description
—
1
24542
24497*
24492
24202
24222
24502
24272
24487
24127
24132
24137*
24142*
24177
24147*
24182*
24187*
24192*
24152*
24227*
24162
H-18 Hand Pump
Snap Ring (6)
Pin
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
24157*
24167
24172
24507
24232
24237
21847
24207
24122
24217
24247
24252
24257
24262
24267
24197
24107
O-Ring (2)
Valve Guide
Knob
O-Ring (2)
Reservoir
2
3
Pin
4
Handle Head
Handle
Hand Grip
Lever Crank
Piston
Packing Nut
Back-up Ring
O-Ring
Spring Stop Bolt
Copper Washer
Spring
Steel Ball (6 mm)
Spring
Steel Ball (3) (4.8 mm)
Copper Washer
Valve Stem
5
Reservoir Cap
Hydraulic Hose, 3 ft.
Pin
6
7
8
Pump Body
3
8
9
Elbow, 45 Deg., / ″ NPTF
10
11
12
13
14
15
16
17
18
19
Valve Body
Ball Guide
Spring
Jam Nut
Adjusting Plug
Intake Tube w/Filter
Hose Half Coupler
Following items not shown:
26032*
26067
Decal, Trade Name
Repair Kit (includes * items)
Items marked with an asterisk (*) are included in the Repair Kit.
†See Service Notes.
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.
Ridge Tool Company/Elyria, Ohio, U.S.A.
62
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