Functional Inspection - Husqvarna K 3000 Vac Operator's Manual

Functional inspection

General inspection
WARNING! Never use damaged cables.
!
They can cause serious, even fatal,
personal injuries.
• Check that the cord and extension cord are intact and
in good condition. Never use the machine if the cord is
damaged, hand it in to an authorized service
workshop for repair.
• Check that nuts and screws are tight.
Carbon brushes
The carbon brushes should be replaced with new brushes
if they are worn, cracked or in any other way deformed. All
carbon brushes must be replaced when the brushes are
replaced.
• Remove both inspection covers by loosening both
screws.
• Unscrew the cable holding the carbon brush. Now lift
up the spring and then lift out the carbon brush from
the brush retainer.
• Clean the brush retainers with a dry brush.
• Carefully blow away the dust.
• Fit the new carbon brushes and, at the same time,
check that they slide easily in the brush retainers.
• Fold down the springs and tighten the cable.
• New carbon brushes must be run in for approximately
40 minutes while idling.
Gearbox grease
The gear housing must not be filled completely with
grease. The grease expands as the machine heats up
22 – English
MAINTENANCE
during operation. If the gear housing was completely filled
with grease it could damage the seals and lead to leakage
of grease.
The gear housing should contain 90 g of grease in total.
Use high quality gear grease.
The following parts must be dismantled to change the
grease in the gear housing:
• Flange washers holding the cutting blade
• The sealing ring
• Support flange for the guard
• Blade guard
• The four screws holding the shield. Lift the shield
together with the drive wheel unit out of the gear
housing.
• Wipe out the grease and fill with new, good quality
gear grease. The gear housing should contain 90 g of
grease in total.
NOTICE! Exercise care when dismantling so as not to
damage the gaskets. These are used both as seals and
spacers for the gear setting.