Assembling the Tube Sections
Daily Maintenance
ASSEMBLY
1.Place the powerhead/lower tube assembly and the upper tube assembly on a clean, flat surface so that both assemblies fit end to end. The powerhead/lower tube assembly should be facing up, and the lower tube assembly should be positioned with the locking hole in the tube end facing up.
CAUTION!
Keep the open ends of the tubes clean and free of debris!
2.Slip off the protective covers from the ends of both tubes, and loosen the coupler screw knob.
3.Insert the upper tube assembly into the coupler, arrow on the upper tube decal facing up, until the line of the decal is flush with the end of the coupler. Rock the upper tube back and forth until you are sure the latch snaps in place by the coupler lock. See Figure 11.
| Latch Protector |
Tube | (extended) |
| |
Assembly |
|
| Latch |
| Locking |
| Hole |
Coupler |
|
Screw | Coupler |
Knob | Tube |
| |
| Assembly |
Figure 11 |
|
14 |
|
4.When the two tube halves are locked together, press down on the
Coupler | Latch Protector |
| (lowered) |
| P231_13 |
Coupler Screw |
|
Knob |
|
Figure 12 |
|
Disassembling The Pole Sections
1.With the pole pruner on a clean, flat surface, loosen the coupler screw. The
2.Press down on the latch with your finger or thumb. See Figure 13. This releases the coupler lock.
Press |
Latch |
Figure 13 |
3.Pull the upper tube assembly out of the coupler.
Muffler
WARNING!
Operating the engine without a muffler or with a muffler that is damaged or improperly installed can increase engine noise suffi- ciently to cause hearing loss.
This unit must never be operated with a faulty or missing spark arrestor or muffler. Make sure the muffler is well secured and in good condition. A worn or damaged muffler is a fire hazard and may also cause hearing loss.
Spark Plug
Keep the spark plug and wire connec- tions tight and clean.
Prior to each work day, perform the following:
■Remove all dirt and debris from the engine, check the cooling fins and air cleaner for clogging, and clean as necessary. See Figure 29.
Keep cooling
fins clean 
Keep air
passages
clean
Figure 29
■Carefully remove any accumulations of dirt or debris from the muffler and fuel tank. Check cooling air intake area at base of crankcase. Remove all debris. Dirt
WARNING!
Always wear gloves when working around the cutter assembly.
■Clean any debris or dirt from the cutting attachment. Check the bar and chain for damage or incorrect adjustment.
■Check for loose or missing screws or components. Make sure the cutter attachment is securely fastened.
■Check the entire unit for leaking fuel or grease.
■Make sure nuts, bolts, and screws (except carburetor idle speed adjusting screws) are tight.
23
MAINTENANCE
