17
• Pressurize the wrench to 10,000 psi
[690 bar] pressure (in both advance
and retract), and check for any signs of
leakage.
• Relieve pressure and disconnect
hydraulic hoses.
• Clean all exposed components with a
mild solvent.
• Remove the drive shaft (H9) and release
button assembly (H1).
• Remove the housing guard screws (H3)
and remove the housing guard (H10).
• Disengage the ratchet lever pin (H5) from
the piston rod hook. Remove the ratchet
lever assembly (H4) from the wrench
housing (H2).
• Remove the ratchet (H8), drive shoe (H7)
and compression springs (H6).
• Remove the ratchet lever pin (H5). Tap
out the pin (H5) using a suitable drift.
5 Maintenance and
Troubleshooting
5.1 Introduction
Preventative maintenance can be
performed by the user.
Full maintenance must be performed only
by an Enerpac authorized service center
or a qualified and experienced technician.
Recommended service intervals are:
a)
3 months – Heavy Duty use
b)
6 months – Normal use
c)
12 months – Infrequent use
Non destructive testing must be carried
out if the tool has been used under severe
conditions.
5.2 Preventative Maintenance
(Fig. 18, 19 and 20)
• Check tightness of swivel post retaining
screws and cylinder gland (see Section
5.3).
Fig. 18
H3
H1
H2
H3
H4
H4
H5
H6
H7
H8
H10
H9
H1B
H1A
H1C
LP1
✜
LP2
✜
LP11
✜
LP10
✜
LP9
✜
LP8
✜
LP5
✜
LP6
✜
LP7
LP4
✜
LP3
✤
✜
✤
H16
H18
✤
✤
H13
H14
H15
H20
H21
H23
✤
H2
H12
H11
✽
✤
✤
H22
✤
H17
H19
J1
J2
J3
J4
J5
See Fig. 19 for molybdenum
disulphide grease locations.
ENGLISH