Homelite UT21506 General Maintenance, Spool Replacement, EZ wind Tap Advance System, Page

Models: UT21907 UT21947 UT21506 UT21546

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MAINTENANCE

MAINTENANCE

GENERAL MAINTENANCE WARNING:

When servicing, use only identical Homelite replacement parts. Use of any other parts may create a hazard or cause product damage.

WARNING:

Always wear safety goggles or safety glasses with side shields during tool operation. If operation is dusty, also wear a dust mask.

Spool

Retainer

Fig. 11

 

INSERT INTO

PUSH DOWN

WARNING:

STRING HEAD

AND TWIST TO

 

ALIGN

 

 

Before inspecting, cleaning, or servicing the machine, shut off engine, wait for all moving parts to stop, and disconnect spark plug wire and move it away from spark plug. Failure to follow these instructions can result in serious personal injury or property damage.

GENERAL MAINTENANCE

Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use

clean cloths to remove dirt, dust, lubricant, grease, etc.

Fig. 12

 

WARNING:

For the MightyLite 26CS: Make sure the string is captured

Do not at any time let brake fluids, gasoline, petroleum-

in the slot on the new spool. Make sure the end of the

string is extended approximately 6 in. beyond the slot.

based products, penetrating lubricants, etc., come in con-

For the MightyLite 26SS: Make sure the two strings are

tact with plastic parts. Chemicals can damage, weaken or

destroy plastic which may result in serious personal

captured in the slots opposite each other on the new

injury.

spool. Make sure the end of each string is extended

 

­approximately 6 in. beyond each slot.

You can often make adjustments and repairs described here.

Align the slot(s) on the spool to the eyelet(s) on the string

For other repairs, have the trimmer serviced by an authorized

head housing. Push down and turn the spool in the nec-

service dealer.

essary direction to align the slot(s).

 

SPOOL REPLACEMENT

Make sure the string head and the spool retainer are

EZ windTap Advance System

installed on the drive shaft.

New prewound spool

To install the spool retainer:

See Figures 11 - 12.

Turn the spool retainer clockwise for MightyLite 26CS.

If replacing string only, refer to String Replacement later

Turn the spool retainer counterclockwise for MightyLite

in this manual.

26SS.

Use only .080 in. diameter trimmer line. Use original manu-

For the MightyLite 26CS: Slide the string into the hous-

facturer’s replacement string for best performance.

ing eyelet and pull outward to rotate the spool into the

Stop the engine and disconnect the spark plug wire. Hold

cutting position.

For the MightyLite 26SS: Slide strings into the housing

the string head and unscrew the spool retainer.

To remove the spool retainer:

eyelets and pull outward to rotate the spool into the cut-

ting position.

Turn the spool retainer counterclockwise for MightyLite

Push the spool retainer down while pulling on string(s)

26CS.

to manually advance the string and to check for proper

Turn the spool retainer clockwise for MightyLite 26SS.

assembly of the string head.

Remove the empty spool from the string head. Keep the

 

spring attached to the spool.

 

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Homelite UT21506 General Maintenance, Spool Replacement, EZ wind Tap Advance System, New prewound spool, See Figures