Troy-Bilt OG-4904 manual Controls, Blade Control Handle, Recoil Starter, Drive Clutch Control

Lower Handle	Upper Hole
		Carriage
		Bolt

	Weld Pin
Wing Nut

Place the hairpin clips in the inner hole.

Figure 2

CONTROLS

BLADE CONTROL HANDLE

WARNING: This control mechanism is a safety device. Never attempt to bypass its operations.

The blade control handle is located on the upper handle of the mower. See Figure 1. The blade control handle must be depressed in order to operate the unit. Release the blade control handle to stop the engine and blade.

WARNING: The blade will be rotat- ing whenever the engine is running.

RECOIL STARTER

The recoil starter handle is attached to the handle. See Figure 3. Stand behind the unit in the operating position to start the unit.

IGNITION SWITCH (Electric Start Units Only)

The ignition switch is located on the left side of the handle panel. It is used for starting only. See Figure 4.

DRIVE CLUTCH CONTROL

Squeezing the drive clutch control engages the drive system. Releasing the clutch control disengages the drive system. Release the clutch control to slow down when negotiating an obstacle, making a turn or stopping.

SHIFT LEVER

The shift lever is located on the drive clutch control housing on the upper handle. See Figure 1. This lever is used to select the forward speed of the mower. When changing your speed selection, release the drive clutch control.

Lower

Handle

Recoil

Starter

Support

RopeRod

Guide

Figure 3

Ignition Key (Switch)

Figure 4-(Electric Start Units Only)

NOTE: Only move the shift lever when the engine is running. Changing the shift lever setting with the engine off can cause damage to the mower.

CUTTING HEIGHT ADJUSTMENT LEVER (Models: 959 & 979)

The height adjuster determines the cutting height of the mower. The adjuster is located above the left rear wheel. To adjust the cut- ting height, pull the lever out and away from the mower and then move it forward or back to select a new cutting height. See Figure 5.

CUTTING HEIGHT ADJUSTMENT LEVER (Model: 999)

The rear wheel height adjuster determines the cutting height of the mower. The adjuster is located above the left rear wheel. To ad- just the cutting height, pull the lever out and away from the mower and then move it for- ward or back to select a new cutting height. See Figure 5.

The front wheel cutting height is determined by the selection of one of six positions in each caster assembly. See Figure 6.

To adjust, remove the wing nut from the axle bolt. Slide the axle bolt and spring washer from the assembly and select a cutting

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