Maintenance And Troubleshooting - Enerpac W Serie Hoja De Instrucciones

5

Maintenance and troubleshooting

Preventative maintenance can be
carried out by the user. Full
maintenance must be carried out by
an approved and authorized
technician appointed by Enerpac.
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.
17
Fig. H
17
17
17
21
Fig. I
10
17
7
22 17 19 18
20
5.1 Preventative Maintenance
(Fig. H & I)
5.1.1 The hydraulic drive unit
• Check tightness of swivel manifold
pin screws (see 5.2.1) and gland.
• Pressurise the drive unit to maximum
pressure (Advance and Retract), and
check for any signs of leakage.
• Any damaged components or seals
must be replaced.
• Dry all components and apply a thin
coat of molybdenumdisulphide as
indicated (17).
Molybdenum disulphide is available
from Enerpac.
5.1.2 The fastener head
• Remove the head from the drive unit.
• Remove the screws (18). Lift and
remove the sideplates (19).
• Remove the hex ratchet (20), spring
loaded drive shoe (21), and
compression spring (22).
• Clean all exposed components with a
mild solvent.
• Inspect all parts for damage.
• Dry all components. Apply a thin coat
of molybdenum disulphide as
indicated (17).
Do not apply any lubricant to the
ratchet or drive shoe teeth.