Mtd Snow Boss 550 User Manual download pdf (Page 11)

Shift Rod Adjustment

To adjust the shift rod, proceed as follows.

• Remove the hairpin clip and slide the connector up

to separate the upper shift rod from the lower shift

rod. See Figure 11.

Figure 11

• Place shift lever in sixth (6) position.

• Rotate the shift arm counterclockwise (from the

operator’s position) as far as it will go.

• Thread the upper shift rod downward until the

elbow on its lower end aligns with the hole found in

the lower shift rod.

• Reconnect the upper shift rod to the lower shift rod

by reinserting the hairpin clip removed earlier and

sliding the connector back down into place.

IMPORTANT: Make certain to check for correct

adjustment of the shift rod as instructed under the

heading Final Adjustments in Section 3 of this manual,

before operating the snow thrower.

Drive Wheels

The wheels may be adjusted for two different methods

of operation. The adjustment is made by placing the

click pins in one of two different holes on the right side

of the unit. See Figure 12.

Figure 12

One Wheel Driving—Inserttheclickpinonly

through the outside hole of the axle (NOT the rim)

on the right side of the snow thrower. This position

gives power drive to the left wheel only, making the

unit easier to maneuver.

Both Wheels Driving—Insert the click pin through

the hole in the hub of the rim and the INSIDE hole

on the snow thrower’s right axle. This position is

good for heavy snow as there is power drive in both

wheels.

IMPORTANT: NEVER operate the snow thrower with the

click pin inserted through both the RIM and the

OUTSIDE HOLE in the axle. Doing so can result in

serious damage to the drive system.

SECTION 7: MAINTAINING YOUR SNOW THROWER

Lubrication

WARNING: Disconnect the spark plug wire

and ground against the engine before

performing any maintenance proceedures.

Engine

Refer to the seperate engine manual packed with your

unit for all engine lubrication instructions.

IMPORTANT: When following instructions in separate

engine manual for draining oil, be sure to protect frame

to avoid oil dripping onto transmission parts.

Traction Control / Auger Control Lock

The cams on the ends of the control rods which

interlock the traction drive and auger drive clutches

must be lubricated at least once a season or every

twenty-five hours of operation. The cams can be

accessed beneath the handle panel. Use a multi-

purpose automotive grease.

Gear Shaft

Lubricate the gear shaft with 6-n-1 grease at least once

a season or after every 25 hours of operation (available

at auto parts stores, or order part number 737-0170).

RefertoFigure10.

Shift Lever

Ferrule

Shift Arm

Hairpin

Clip

Lower Shift Rod

Upper Shift Rod

Connector

Inside Hole

in Axle

Click Pin

in Outside Hole

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 27 28

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Mtd Snow Boss 550 User Manual Page 11

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