MTD MP426CS Maintenance Schedule, Line Installation for the Speedspool®, SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS, REFER TO, FREQUENCY, MAINTENANCE REQUIRED

SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS

Maintenance Schedule

Perform these required maintenance procedures at the frequency stated in the table. These procedures should also be a part of any seasonal tune-up.

NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures take your unit to any non-road engine repair establishment, individual or authorized service dealer.

NOTE: Maintenance, replacement, or repair of the emission control devices and system may be performed by any non-road engine repair establishment, individual or authorized service dealer.

WARNING: To prevent serious injury, never perform maintenance or repairs with unit running. Always service and repair a cool unit. Disconnect the spark plug wire to ensure that the unit cannot start.

FREQUENCY	MAINTENANCE REQUIRED	REFER TO

Before starting engine	Fill fuel tank with fresh fuel	Page 9
Before starting engine	Check oil	Page 14
	Check oil	Page 14

Every 10 hours	Clean and re-oil air filter	Page 16

First change at 10 hours	Change oil	Page 15
Every 25 hours thereafter	Change oil	Page 15
Every 25 hours	Clean spark arrestor	Page 19

10 hours on new engine	Check rocker arm to valve clearance and adjust	Page 17
Every 25 hours	Check rocker arm to valve clearance and adjust	Page 17
Every 25 hours	Check spark plug condition and gap	Page 19

Line Installation for the Speedspool®

WARNING: Never use metal- reinforced line, wire,

chain or rope. These can break off and become dangerous projectiles.

Always use original equipment manufacturer 0.080 inch (2.03 mm) replacement line. Lines other than those specified may make the engine overheat or fail.

There are two methods to replace the SpeedSpool® trimming line:

WARNING: Always use the correct line length

when installing trimming line on the unit. The line may not release properly if the line is too long.

Top View Of The SpeedSpool®

Arrows

Outer Spool

•Wind the inner reel with new line

•Install a pre-wound inner reel

Winding the Inner Reel With New Line

NOTE: It Is unnecessary to remove the bump knob to install a new trimming line.

1.	Cut two pieces of 0.095-inch (2.41 mm) trimming	Inner Reel
	line, 10 feet (3 m) long.
2.	Hold the outer spool and turn the inner reel	Bump Knob
	counterclockwise to line up the arrows on the outer

spool and inner reel (Fig. 15).

Fig. 15