Enerpac W35000 - Manual (Page 10)

10
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.
5.1 Preventative maintenance
(fig. K & L)
5.1.1 The hydraulic drive unit
• Check tightness of swivel post
retaining screws (see 5.2.1) and
gland.
• Pressurize 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 molybdenum disulphide as
indicated (19).
Molybdenum disulphide is
available from Enerpac.
5.1.2 The cassette
• Remove the cassette from the drive
unit.
• Remove the screws (20). Lift and
remove the sideplates (21).
• Remove the hex ratchet (22),
spring loaded drive shoe (23), and
compression springs (24).
• 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 (19).
Do not apply any lubricant to the
ratchet or drive shoe teeth.
Fig. K
Fig. L