Service Checks | Faults And Troubleshooting - Husqvarna PG 530 Workshop Manual

Service checks | Faults and troubleshooting

2.Service checks | Faults and
troubleshooting
MECHANICAL CHECKS | EXTERNAL
Tilt unit back check for and remove any Diamond tools
Check Shroud for damage affecting planetary rotation, satellite rotation, planetary seal efficiency and extrac-
tion efficiency.
Unplug the planetary drive to reduce operating noise and Run the discs through the range of speeds listen-
ing for any bearing noises that may be caused by bearings that are deteriorating
Unplug small motor and run discs at low speed to assess how true discs are running
Remove belt inspection cover plates to assess condition of belt, cleanliness of inside of machine and mois-
ture levels inside machine.
Check head locks for tightness and tighten where required using a medium bond thread retaining com-
pound / 3 per satellite
Check satellites for excess movement or inconsistent movement in relation to other satellites. If one or more
heads are not running true, disassemble all heads.
Check spring steel leaf for cracking or inconsistent wear on each head, inspect spring cushion for tears or ex-
cess deterioration
Reassemble Satellites
Check V70 dust seals for condition and wear. ( replace each service)
Unplug large motor and plug small motor back in. Run planetary head through a range of speeds to and
listen for smoothness of operation.
Remove planetary drive gearbox from gearbox mounting bracket and check condition of sprocket and chain-
ring.
Replace sprocket if required (abnormal wear or rounding teeth)
Replace chain ring if packed with debris or chain worn out (opening of rollers)
With planetary drive removed, check for presence of dust on top surface of machine. If large amounts of
dust is present, remove machine cover and check condition of planetary head seal and replace if necessary.
Reassemble
MECHANICAL CHECKS | INTERNAL
Tilt unit back check for and remove any Diamond tools
Check Shroud for damage affecting planetary rotation, satellite rotation, planetary seal efficiency and extrac-
tion efficiency.
Unplug the planetary drive to reduce operating noise and Run the discs through the range of speeds listen-
ing for any bearing noises that may be caused by bearings that are deteriorating
Unplug small motor and run discs at low speed to assess how true discs are running
Remove belt inspection cover plates to assess condition of belt, cleanliness of inside of machine and mois-
ture levels inside machine.
Check head locks for tightness and tighten where required using a medium bond thread retaining com-
pound / 3 per satellite
Check satellites for excess movement or inconsistent movement in relation to other satellites. If one or more
heads are not running true, disassemble all heads.
Check spring steel leaf for cracking or inconsistent wear on each head, inspect spring cushion for tears or ex-
cess deterioration
Reassemble Satellites
Check V70 dust seals for condition and wear. (replace each service)
Unplug large motor and plug small motor back in. Run planetary head through a range of speeds to and
listen for smoothness of operation.
Remove planetary drive gearbox from gearbox mounting bracket and check condition of sprocket and chain-
ring.
Replace sprocket if required (abnormal wear or rounding teeth)
Replace chain ring if packed with debris or chain worn out (opening of rollers)
With planetary drive removed, check top surface of machine for presence of dust. If large amounts is present,
remove machine cover and check condition of planetary head seal and replace if necessary.
Service & Maintenance check
Description
Description
Time required
2 min
5 min
5 min
5 min
10 min
5 min
15 min
if dismantling required
10min
15 min
5 min
5 min
5 min
30 min
30 min
20 min
if cover needs removal
20 min
Time required
2 min
5 min
5 min
5 min
10 min
5 min
15 min
if dismantling required
10 min
15 min
5 min
5 min
5 min
30 min
30 min
20 min
if cover needs removal
2
3