Parker PGMT-5200 Owner's Manual page 36

TROUBLESHOOTING SPOOL/3 TOOTH BLADE
PROBLEM POSSIBLE CAUSE
Spool retainer hard to
Screw threads dirty or damaged.
turn
Spool / Three Tooth
Blade does not rotate Top and bottom shafts are not
when engine speed is correctly engaged.
increased
Top and bottom shafts are not
correctly engaged
Excessive vibration
is felt when using the
three tooth blade
Three tooth blade is not installed
centrally
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SOLUTION
Clean threads and lubricate with grease - if no improvement,
replace spool retainer
Remove the bottom shaft and re-insert ensuring the joint is correctly
connected and engaged.
Remove the bottom shaft and re-insert ensuring the joint is correctly
connected and engaged.
Reinstall the three tooth blade ensuring the blade is installed centrally
and with the correct washers
PROBLEM POSSIBLE CAUSE
String welded to itself
Spool will not unwind
Not enough string on spool
Cutting tall grass at ground
level
Grass wraps around
shaft housing and
string-head
Operating trimmer at part
throttle
TROUBLESHOOTING SPOOL/3 TOOTH BLADE
SOLUTION
Lubricate with silicone spray
Install more string. Refer to "String Replacement"
earlier in this manual
Cut tall grass from the top down
Operate trimmer at full throttle
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