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SPECIFICATIONS
Model No.
JH-1 .5
JHL-1 .5
JH-306
JH-506
JH-1006
INSTALLATION
Adding Fluid
1 . Use wrench end of jack handle to open release valve by turning counter-clockwise .
2 . Place jack on its side with fill plug facing up . Remove fill plug .
3 . Slowly add Enerpac hydraulic fluid . Do not fill reservoir completely . Fluid level should be below fill
plug when jack is upright .
4 . Stand jack upright, allowing excess fluid to run out of fill plug hole . Replace fill plug . Clean off excess fluid .
Removing Air
1 . On 30 - 100 Ton models, open air vent .
2 . Use wrench end of jack handle to open release valve by turning counter-clockwise .
3 . Insert jack handle into jack pump beam and rapidly pump the handle .
4 . Use wrench end of jack handle to close release valve by turning clockwise .
5 . If jack operation is not smooth, repeat the air removal procedure .
OPERATION
Check load rating on jack nameplate to make certain the jack is capable of lifing the load . Use a
gauge to monitor the load . Gauge adaptor kits are available for 20,30, 50 and 100 ton jacks . Use
gauge kit GF20L for JH-20 models, and gauge kit GF325 for JH-306, JH-506, and JH-1006 models .
Raising the Load
1 . On 30 - 100 ton models, open air vent .
2 . Use wrench end of handle to close the release valve by turning clockwise hand tight .
3 . Insert handle into jack pump beam and pump until desired height is reached .
NOTE: For 50 to 100 Ton jacks, use speed (A) pump beam until plunger reaches
Capacity
Tons
1 .5
1 .5
JH-3
3
JHL-3
3
JH-5
5
JH-8
8
JH-12
12
JH-20
20
30
50
100
WARNING
Before adding fluid, make sure the plunger is fully retracted, or the system will
contain more fluid than the reservoir can hold.
CAUTION
Excessive tightening is unnecessary and will cause wear.
load . Then move the handle to load (B) pump beam to lift the load .
Stroke
in (cm)
5 .19 (13 .2)
18 .00 (45 .72)
5 .88 (14 .9)
20 .00 (50 .80)
6 .25 (15 .9)
6 .25 (15 .9)
5 .13 (13 .0)
6 .50 (16 .5)
6 .13 (16 .0)
6 .09 (15 .5)
6 .06 (15 .4)
Enerpac JH Series Jacks
These products conform with the
requirements for CE Marking .
3
Effective Area
Collapsed Height
in
(cm
)
2
2
0 .69 (4 .45)
7 .50 (19 .1)
0 .69 (4 .45)
21 .72 (55 .17)
1 .23 (7 .94)
8 .75 (22 .2)
1 .23 (7 .94)
26 .31 (66 .83)
1 .87 (12 .1)
9 .50 (24 .1)
1 .87 (12 .1)
9 .50 (24 .1)
3 .28 (21 .2)
8 .88 (22 .6)
5 .16 (33 .3)
11 .00 (27 .94)
5 .94 (38 .3)
10 .00 (25 .40)
9 .62 (62 .1)
10 .25 (26 .04)
20 .63 (133 .1)
11 .31 (28 .73)
in (cm)
A
B
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