MTD 21A-450 Series - Manuals

Page 2 - TABLE OF CONTENTS; FINDING MODEL NUMBER; CALLING CUSTOMER SUPPORT; MTD PRODUCTS INC

2 TABLE OF CONTENTS Content Page Important Safe Operation Practices................................................................... 3, 4 Loose Parts ...................................................................................................... 5 Assembling Your Tiller .......................

Page 3 - SECTION 1: IMPORTANT SAFE OPERATION PRACTICES; WARNING; GENERAL OPERATION

3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF NOT FOLLOWED, COULD ENDANGER THE PERSONAL SAFETY AND/OR PROPERTY OF YOURSELFAND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTINGTO OPERATE YOUR TILLER. FAI...

Page 4 - WARNING — YOUR RESPONSIBILITY:

4 • If situations occur which are not covered by this manual, use care and good judgment. Contact your dealer for assistance. CHILDREN • Tragic accidents can occur if the operator is not alert to the presence of small children. Children are often attracted to the tilling activity. Never assume that ...

Page 5 - SECTION 2: LOOSE PARTS

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

Page 6 - SECTION 3: ASSEMBLING YOUR TILLER; TOOLS REQUIRED FOR ASSEMBLY

6 SECTION 3: ASSEMBLING YOUR TILLER IMPORTANT: This unit is shipped WITHOUT GASOLINE or OIL. After assembly, see separate engine manual for proper fuel and engine oil recommendations. NOTE: Left and right is determined from the operator’s position, standing behind the tiller. TOOLS REQUIRED FOR ASSE...

Page 7 - ATTACHING THE CLUTCH CABLE; ATTACHING THE CONTROL ROD

7 Figure 4 ATTACHING THE CLUTCH CABLE Attach the clutch cable to the handle as follows (be careful not to kink the cable). • Remove threaded eyebolt and nut from the end of the cable. • Route the clutch cable to the right side of the handle mounting brackets and underneath the handle. • Push the cab...

Page 8 - TIRE PRESSURE; SECTION 4: KNOW YOUR TILLER; THROTTLE CONTROL

8 Now move the shift lever to FORWARD (Wheels Forward) position. Carefully engage the clutch by lifting the clutch control bail against the handle. The wheels should spin. If the wheels do not spin with the unit in forward, adjust by unthreading the tube at the end of the cable a few turns counter-c...

Page 9 - SECTION 5: OPERATING YOUR TILLER

9 CLUTCH CONTROL BAIL The clutch control bail is located below the handle. See Figure 7. Lifting the clutch control bail against the handle engages the wheel and tine drive mechanisms. NOTE: Never engage clutch lever while shifting. DEPTH STAKE The depth bar controls the tilling depth. Refer to SECT...

Page 10 - TO OPERATE THE TILLER:; SECTION 6: MAKING ADJUSTMENTS; HANDLE ADJUSTMENT

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. Se...

Page 11 - CARBURETOR ADJUSTMENT; SECTION 8: MAINTAINING YOUR TILLER; ENGINE

11 • Remove the belt cover as described in the belt replacement section on page 12. • Remove the hairpin clip and spring washer from the idler pulley rod. See Figure 11. • Move the idler pulley rod to the lower hole in the idler bracket. See Figure 11. • Replace the spring washer and hairpin clip. •...

Page 13 - SECTION 10: TROUBLE SHOOTING GUIDE

13 SECTION 9: OFF-SEASON STORAGE If the tiller will not be used for a period longer than 30 days, the following steps should be taken to prepare the tiller for storage. • Clean the exterior of engine and the entire tiller thoroughly. Lubricate the tiller as described in the lubrication instructions....

Page 14 - SECTION 11: PARTS LIST FOR MODEL 450 SERIES

Page 17 - Labels

17 MODEL 450 SERIES REF. NO. PART NO. DESCRIPTION 1 747-1152 Shift Rod 2 649-0041 Upper Handle Ass’y 3 649-0034 Lower Handle Ass’y 4 710-3005 Hex Screw 3/8-16 x 1.25 5 710-3056 Hex Screw 5/16-18 x 3.25 6 711-0415 Clevis Pin 3/8-1.62 7 712-0379 Flange Lock Nut 3/8-24 8 712-0429 Hex Lock Nut 5/16-18 9...