Husqvarna PP440HF, Workshop Manual, Page: 25 / 165

7
25
SERVICE AND MAINTENANCE 7
25
SERVICE AND MAINTENANCE
WS400 HF Service
When it
comes in to
the workshop
100h 200h Page
Overal check for damaged/loose parts and
adjust or replace as nessesary�
X X X
That the Handle/Blade Guard Mount is
correctly secured and not loose in any way
X X X
Play and wear on the travel feed wheel and it’s
bearing
X X X
Adjusting the guide
wheels (p� 23)
Play in saw carrage loocking arm X X X
Adjust the saw carriage
(p� 24)
Play between saw carrage and rail X X X
Adjust the saw carriage
(p� 24)
Condition of blade flange hub, bearings and
washers� If it is loose or it’s performance is in
doubt replace it� X X X
Locking devices on the blade guard X X X
Condition and play in the pivoting arm X X X
Check the Pivoting
Arm Play (p� 21)
Cracks in orange plastic cover X X X
Check for leakage X X X
Cuts and wear on electric cables X X X
Check continuity of the earth wiring through
out the machine
X X X
Condition of the remote control X X X
Conduct a functional test X X
Funktion Test WS400
HF (p� 20)
Replace the blade bolt on the blade flange X X Service 200h (p� 29)
Replace the guide blocks on the blade guard X X Service 200h (p� 29)
Replace the bearings on the blade guard guide
wheels
X X Service 200h (p� 29)
Replace the bearing and drive wheel on the
saw carriage
X X Service 200h (p� 29)
Replace the rollers on the saw carriage X X Service 200h (p� 29)
Lubricate the worm gears with a grease pump
until you see new grease comming out�
X X Service 200h (p� 29)
Change the screen protection on the remote
control
X X Service 200h (p� 29)
Repace the aeration diaphragm on both PP
and saw head
X X Service 200h (p� 29)
Change the oil in the arm and check for
coarse particles, if coarse particles are
fount take the arm apart and inspect the
transmission
X X Service 200h (p� 29)
Replace all the o-rings on the feed shaft X Service 200h (p� 29)