18
Note:
Defective parts (blades, bolts, sliding plates) should always be replaced as
pairs. If you detect, when changing blades, that the levers are damaged (see 12.3.1),
their fit holes are deformed, fretting marks exist or they are otherwise damaged, these
must be replaced too.
This repair must be carried out by an authorised LUKAS dealer or by the LUKAS service
department.
12.3.2 Loss of oil at the hand hold
(first page, pos. 11)
Hose connection of the pressure and return line leaky; tighten the hose connections
on the control valve:
Procedure:
Loosen the 2 screws with insulation cases in the hand hold (hexagon socket SW5)
• Remove hand hold and tighten threaded connections, if necessary replace seals.
• Fix hand hold with screws and insulation cases.
12.3.3 Replacing the hand guard
The hand guard protects the operator against injuries resulting caused by the moving
parts. In case of damage, the hand guard must be replaced.
Procedure:
Unscrew handle • remove blades / blade arms (see 12.3.1) • Remove hand guard •
move the new hand guard over the cylinder body until the holes of the hand guard and
the screw holes for the handle matches • mount handle.
12.3.4 Handle
(first page, pos. 12)
Defectiv handles must be removed immediately.
Procedure:
Unscrew defective handle and remove it over the cylinder body • fix the new handle, if
necessary replace screws and washers.
12.3.5 Labels
All damaged labels must be replaced (safety instructions, type labels, etc).
Procedure:
Remove damaged labels • clean the surfaces with acetone and glue on the new labels.
12.3.6 Quick couplers
Quick couplers on the hoses must be changed, if:
• external damages are visible • interlock does not work • oil constantly leaks when
connected.
Note:
Couplers must not be repaired, they must be replaced by original LUKAS parts.
When assembling tighten the union nut on the hose line with M
A
= 45 Nm.
