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10

Figure 8

To transport tiller, lower the depth stake (use top 
adjustment hole).

To adjust the depth stake, remove the clevis pin 
and hairpin clip. See Figure 8. Move the depth 
stake to the desired setting.

To adjust the side shields, remove the front wing 
nut and loosen the rear wing nut. See Figure 9. 
Place side shield in position desired. Replace wing 
nuts and tighten securely. 

Figure 9

TO OPERATE THE TILLER:

Select the depth stake setting.

Start engine as instructed on page 9.

Move gear selection handle to one of the forward 
modes or reverse. 

Use the reverse tine drive when tilling virgin
ground, sod or hard soil. Use the forward tine
drive when cultivating or tilling soft ground.

IMPORTANT:

 When using the forward tine drive, lower 

the depth stake (use a shallower tilling depth) to make 
certain the tines do not run across the ground.

WARNING: 

Do not move the gear

selection handle with the wheels or tines
engaged. Make certain the unit is stopped
completely before changing the gear
selection.

Squeeze the clutch control bail against the handle 
to engage the wheels and tines.

NOTE:  Make certain the gear selection indicator is
correctly positioned before engaging the clutch handle.
If it is between gears, the engine will stall.

To transport tiller, do not engage the tines. Select the 
wheel drive only.

WARNING: 

Do not push down on the

handles so that the wheels are lifted off
the ground while using the reverse tine
drive, or the tiller could move backward
and cause personal injury.

For best results, it is recommended the garden be tilled 
twice (lengthwise, then widthwise) to pulverize the soil.

SECTION 6:  MAKING ADJUSTMENTS

HANDLE ADJUSTMENT

The handle height may be adjusted. Refer to the Know 
Your Tiller section for details of handle adjustment.

BELT TENSION ADJUSTMENT

Periodic adjustment of the belt tension may be required 
due to normal stretch and wear on the belt. Adjustment 
is needed if the tines or wheels seem to hesitate while 
turning, but the engine maintains the same speed.

To adjust the tension on the belt, refer to clutch 
adjustment information in “Checking the Clutch 
Adjustment” section of the Assembly Instructions. After 
belt tension has been adjusted, if the belt is excessively 
stretched, you may need to adjust the idler pulley rod. 
This can easily be checked. With the engine off and the 
clutch control bail disengaged, shift the gear selection 
handle to each forward mode. If the indicator bracket 
touches the idler pulley rod, (with the clutch control bail 
disengaged), then an adjustment is necessary.

Disconnect and ground out spark plug wire against 
the engine.

Use This
Position
First Time

Transport
Position

Clevis
  Pin

Hairpin
Clip

Use This

Hole for

Lowest (Shallowest)

Position

Use This Hole for

Highest (Deepest)

Position

Side

Shields

Front
Wing Nut

Rear
Wing Nut

Summary of Contents for RB650

Page 1: ...exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the Sta...

Page 2: ...tment or an authorized dealer You can locate the model number by standing in the operating position behind the unit and looking down at the center of the rear tine cover A sample model plate is explai...

Page 3: ...n clear of all persons particularly small children and pets Stop the engine when they are in the vicinity of your tiller Wear sturdy rough soled work shoes and close fitting slacks and shirt Shirt and...

Page 4: ...or spark such as a gas hot water heater space heater clothes dryer or furnace Never run your machine in an enclosed area as the exhaust from the engine contains carbon monoxide which is a odorless ta...

Page 5: ...5 SECTION 2 LOOSE PARTS Handle Assembly Depth Stake Assembly Control Rod NOTE Cable tie not shown...

Page 6: ...the tine shield hinge flap assembly Remove T knob flat washer and hex bolt from depth stake Insert the depth stake assembly in front of spacer under the tine shield and up through the tine shield asse...

Page 7: ...ol rod rubber washers to remain on control rod Insert the shorter angled end of the control rod through the indicator bracket on the shift cover and secure with hairpin clip that was removed in step 1...

Page 8: ...e maintained on both tires SECTION 4 KNOW YOUR TILLER Figure 7 THROTTLE CONTROL The throttle control lever is located on the engine It controls the engine speed and stops the engine See Engine manual...

Page 9: ...ndle Repeat steps 3 and 4 until engine starts As engine warms up and begins to operate evenly move choke lever gradually to RUN position If engine falters return to choke position then slowly move to...

Page 10: ...ive only WARNING Do not push down on the handles so that the wheels are lifted off the ground while using the reverse tine drive or the tiller could move backward and cause personal injury For best re...

Page 11: ...points and linkages at least once a season with light oil Tine Shaft Remove tines at least once a season and lubricate with oil Wheel Axle Remove the wheel assemblies at least once a season and lubri...

Page 12: ...ove the hex cap nut and flat washer from the side of the belt cover Remove the self tap screw at the bottom of the front of the cover Remove the belt keeper bracket located behind the engine pulley by...

Page 13: ...osition Connect wire to spark plug Clean adjust gap or replace Refer to the engine manual packed with your unit Engine runs erratic Unit running on CHOKE Spark plug wire loose Blocked fuel line or sta...

Page 14: ...14 SECTION 11 PARTS LIST FOR MODEL RB650...

Page 15: ...732 0496 Compression Spring 50 Lg 33 736 0163 Thrust Wash 1 03 I D x 1 62 O D 34 736 0351 Fl Wash 76 I D x 1 5 O D 35 736 0407 Bell Wash 45 I D x 1 0 36 736 0518 Thrust Wash 445 x 1 92 x 060 37 736 3...

Page 16: ...20 18 8 23 10 1 60 61 37 62 25 34 27 64 30 39 27 63 26 32 36 33 31 29 66 26 41 30 30 24 28 35 40 26 49 44 50 59 51 65 53 55 56 54 57 58 44 46 42 4 9 11 16 6 3 14 7 19 5 17 2 60 61 12 15 12 12 38 21 22...

Page 17: ...36 786 0113 Tine Shield Hinge Flap 37 786 0176 R H Handle Brkt 38 786 0177 L H Handle Brkt 39 786 0178 Tine Shield 40 786 0179 Tine Shield Brkt 41 786 0180 Shoulder Spacer Brkt 42 686 0109 Shift Cran...

Page 18: ...18 MODEL RB650 18 17 24 19 27 46 45 12 26 9 6 1 8 25 14 28 20 2 11 44 4 22 23 16 5 21 7 13 15 3 40 43 42 41 39 32 33 31 30 29 10 34 37 36 37 38 35...

Page 19: ...6 0187 Shift Cover Brkt 28 786 0193 Idler Belt Keeper 29 634 0106 RH Wheel Ass y Comp 16 0 x 4 0 634 0107 LH Wheel Ass y Comp 16 0 x 4 0 734 0808 Tire Only 16 0 x 4 0 30 634 0108 Wheel Rim Ass y Comp...

Page 20: ...these items b Routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such as brake adjustments clutch adjustments or deck adjustments and normal deterioratio...

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