Ridgid BW-1790 Leaflet
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:
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.
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)
Relief (See
Service Notes)
6
17
RESERVOIR CAPACITY
Proper Oil Fill: 18.6 Cu. In. = 10.5 Ozs.
Fill to between lines inside reservoir.
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.
†See Service Notes.
NOTE: All components are METRIC dimensions.