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SECTION 10:  TROUBLE-SHOOTING GUIDE

PROBLEM

POSSIBLE CAUSE

CORRECTIVE ACTION

Engine fails to start

1. Blade control handle disengaged
2. Spark plug wire disconnected
3. Throttle control lever not in starting position
4. Fuel tank empty, or stale fuel
5. Blocked fuel line
6. Faulty spark plug
7. Engine flooded

1. Engage blade control handle
2. Connect wire to spark plug
3. Move throttle lever to correct position
4. Fill up tank with fresh gasoline
5. Clean fuel line
6. Clean, adjust gap, or replace
7. Wait a few minutes and start again.

Engine runs erratic

1. Spark plug wire loose
2. Blocked fuel line or stale fuel

3. Vent in gas cap plugged
4. Water or dirt in fuel system
5. Dirty air cleaner

1. Connect and tighten spark plug wire.
2. Clean fuel line, fill tank with clean, fresh 

gasoline.

3. Clear vent.
4. Drain fuel tank. Refill with fresh fuel.
5. Clean air cleaner. Refer to engine 

manual.

Engine overheats

1. Engine oil level low
2. Air flow restricted

1. Fill crankcase with proper oil.
2. Clean lawn mower engine.

Occasional skip 
(hesitates) at high 
speed

1. Spark plug gap too close

1. Adjust gap to.030 inches.

Idles poorly

1. Spark plug fouled, faulty, or gap too wide

2. Dirty air cleaner

1. Reset gap to.030 inches or replace 

spark plug.

2. Clean air cleaner.

Excessive vibration

1. Cutting blade loose or unbalanced

2. Bent cutting blade
3. Bent engine crankshaft

1. Tighten blade and adapter, balance 

blade.

2. Replace blade.
3. Contact your nearest service center

Mower will not 
mulch grass 

1. Engine speed too low
2. Wet grass
3. Excessively high grass

4. Dull blade

1. Move throttle lever to FAST position.
2. Wait until grass is dry to cut.
3. Mow once at a high cutting height, then 

mow again at desired height. 

4. Sharpen or replace blade.

Uneven cut

  1. Wheels not in same height position

  2. Dull blade

  1. Reposition all wheels at same height.

  2. Sharpen or replace blade.

Summary of Contents for 440 Thru E459

Page 1: ...stem 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 State of Cali...

Page 2: ...d help from our Customer Support Department or an authorized dealer You can locate the model number by standing behind the unit in the operating position and looking down at the rear of the deck A sam...

Page 3: ...vent blade contact or thrown object injury Although the area of operation should be completely cleared of foreign objects an object may have been overlooked and could be accidentally thrown by the mow...

Page 4: ...across the face of slopes never up and down Exercise extreme caution when changing direction on slopes Watch for holes ruts hidden objects or bumps Tall grass can hide obstacles Always be sure of you...

Page 5: ...nuts bolts and screws tight to be sure the equipment is in safe working condition Never tamper with safety devices Check their proper operation regularly After striking a foreign object stop the engin...

Page 6: ...in excess of 15 degrees a rise of approximately 2 1 2 feet every 10 feet A riding mower could overturn and cause serious injury If operating a walk behind mower on such a slope it is extremely difficu...

Page 7: ...up your lawn mower disconnect the spark plug wire from the spark plug and ground it to a bolt retaining post or V slot on the engine See Figure 1 Figure 1 Assembling Handle Remove grass bag from the u...

Page 8: ...w Tighten the wing nut holding the rope guide to the upper handle Figure 6 Grass Catcher Assembly NOTE Make certain the grass bag is turned right side out before assembling warning label will be on th...

Page 9: ...he rear frame Slip the openings in the side of the plastic channel on bag over hooks on the grass catcher frame See Figure 9B Secure front of bag to front frame by working the five plastic channels on...

Page 10: ...on the handle bracket assemblies and the rear discharge door rests firmly against the top of the grass catcher Optional Chute Deflector If your mower is equipped with the optional chute deflector asse...

Page 11: ...be depressed in order to operate the unit Release the blade control handle to stop the engine and the blade Drive Clutch Control The drive control lever is located on the upper handle and is used to e...

Page 12: ...the protective cap from the end of the battery pack lead Always plug charger lead into battery pack lead first and then insert battery charger plug into 120 volt standard household outlet See Figure...

Page 13: ...r of stones sticks wire or other objects which could damage lawn mower or engine Such objects could be accidently thrown by the mower in any direction and cause serious personal injury to the operator...

Page 14: ...ponent every 100 hours You may have to service the air filter more frequently if you are operating the mower under extremely dusty conditions Clean the engine periodically Remove dirt and debris with...

Page 15: ...her cupped side of washer to blade and tighten to the recommended torque Refer to Blade Mounting Torque section below IMPORTANT The bolt used to secure the blade to the engine is specially heat treate...

Page 16: ...ackets Remove the idler and hardware from the idler bracket using 7 16 wrench and socket See Figure 21 Remove the belt from the transmission pulley as shown in Figure 21 Figure 21 Lift and stabilize t...

Page 17: ...he lower handle Place the hairpin clips in the inner holes of the weld pins and attach the starter rope as instructed in the Assembling Your Lawn Mower section Adjusting Cutting Height IMPORTANT All w...

Page 18: ...red Refer to the Service Adjustments section of this manual for blade care instructions Engine Follow recommendations in the accompanying engine manual for off season storage of the engine Change oil...

Page 19: ...with fresh fuel 5 Clean air cleaner Refer to engine manual Engine overheats 1 Engine oil level low 2 Air flow restricted 1 Fill crankcase with proper oil 2 Clean lawn mower engine Occasional skip hesi...

Page 20: ...HRU E450 SERIES SEE ENGINE MANUAL 1 2 3 4 5 7 6 8 15 13 11 14 10 17 16 20 19 12 18 27 26 55 69 68 31 57 40 29 35 32 33 62 58 61 60 50 63 64 65 66 67 59 43 36 37 38 41 42 44 45 46 47 48 49 39 34 28 30...

Page 21: ...1017 Scr AB 1 4 14 625 Trust 35 782 0080A Deck 21 RD 36 782 5002 Front Baffle 37 712 0798 Hex Nut 3 8 16 38 736 0331 Bell Washer 39 x 1 13 x 062 39 710 0216 Hex Screw 3 8 16 x 75 40 7510042824 Screw...

Page 22: ...E450 Series 2 3 4 5 6 7 8 9 10 11 13 12 15 16 30 31 32 33 35 36 38 41 40 39 42 43 45 51 55 14 30 31 32 33 39 34 37 36 40 41 42 43 44 51 46 52 53 47 17 21 19 20 20 19 22 23 24 25 26 27 50 54 28 28 46 5...

Page 23: ...Bearing 378 x 531 x 370 28 710 1276 Hex Screw w Washer 1 4 20 x 750 29 618 0298A Transmission Assembly Includes Ref 1to Ref 30 30 732 0708 Bearing Retainer 31 741 0604 Bearing Sleeve 50 I D 32 748 03...

Page 24: ...24 Models 440 Thru E450 Series 1 2 3 4 7 8 5 6 9 20 17 16 13 12 10 11 18 27 22 23 26 25 21 15 9 14 19 24 28 30 29 31 Electric Start Optional 32...

Page 25: ...x 1 16 710 0111 Carriage Screw 17 782 9012 Lower Battery Tray 18 710 0969 Tapp Screw 19 725 1538 Harness Extension 20 625 0022 Harness 21 764 0310 Rear Catcher Frame 22 782 9011 Mounting Bracket 23 7...

Page 26: ...731 1402A 731 1694 731 1695 731 1934 Color Yellow Black Silver Charcoal Hardware 7510042823 Screw Part No 7510143208 Color Black Hardware 7510042823 Screw Part No 731 1586B 731 1612A Color Black Red H...

Page 27: ...on these items b Log splitter pumps valves and cylinders have a sepa rate one year warranty c Routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such as...

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