Models > 10603

10603 (312000001-312999999 - 2012) Lawn Boy Lawn Mower - Overview

Sections of the 10603

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Page Diagram and Parts List for 312000001-312999999 - 2012 Lawn Boy Lawn Mower
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Page Diagram and Parts List for 312000001-312999999 - 2012 Lawn Boy Lawn Mower
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Page Diagram and Parts List for 312000001-312999999 - 2012 Lawn Boy Lawn Mower
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Page Diagram and Parts List for 312000001-312999999 - 2012 Lawn Boy Lawn Mower
Page
Page Diagram and Parts List for 312000001-312999999 - 2012 Lawn Boy Lawn Mower
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Page Diagram and Parts List for 312000001-312999999 - 2012 Lawn Boy Lawn Mower
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Exact Part matches for your search term

[Viewing 2 of 2]
PANEL – Part Number: 10603
PANEL
This part number matches the current model number 10603
PartSelect #: PS1084191
Manufacturer #: 10603
  No Longer Available
Capacitor – Part Number: 10603
Capacitor
This part number matches the current model number 10603
PartSelect #: PS12181526
Manufacturer #: 10603
  No Longer Available
Keep searches simple, eg. "belt" or "pump".
Screw-Taptite – Part Number: 95-1726
Screw-Taptite
★★★★★
★★★★★
(1)
PartSelect #: PS9180925
Manufacturer #: 95-1726
$3.99
  In Stock
Order within the next 10 hrs and your part ships today!
Bolt-Shoulder – Part Number: 614650
Bolt-Shoulder
PartSelect #: PS9046634
Manufacturer #: 614650
The Shoulder Bolt is a 3/8-16 x 3-5/8 bolt, certified by the original equipment manufacturer. It is a metal bolt which is individually sold and comes in black. Installation requires a wrench or socket...
$4.99
  In Stock
Order within the next 10 hrs and your part ships today!
Cable-Brake – Part Number: 112-8818
Cable-Brake
PartSelect #: PS8842018
Manufacturer #: 112-8818
$37.00
  In Stock
Order within the next 10 hrs and your part ships today!
Screw-Hwh – Part Number: 46-8091
Screw-Hwh
PartSelect #: PS8974798
Manufacturer #: 46-8091
$4.99
  In Stock
Order within the next 10 hrs and your part ships today!
Nut-Lock, Ni – Part Number: 3296-29
Nut-Lock, Ni
PartSelect #: PS9276436
Manufacturer #: 3296-29
The Ni Lock Nut (Nylock Nut) is a Silver, 5/16x18, individually sold metal nut. It can be adjusted and replaced using a wrench or socket and torque wrench to the manufacturer specfications, and is use...
$3.99
  In Stock
Order within the next 10 hrs and your part ships today!
Washer – Part Number: 40-1940
Washer
PartSelect #: PS8963619
Manufacturer #: 40-1940
This OEM-sourced washer in your walk-behind lawnmower provides space and protects the rear wheel from rubbing against the pivot arm assembly, ensuring smooth wheel rotation. A damaged washer may appea...
$3.99
  In Stock
Order within the next 10 hrs and your part ships today!
Support-Blade – Part Number: 108-3766-03
Support-Blade
PartSelect #: PS9257416
Manufacturer #: 108-3766-03
The Blade Support is a 6-x-3-inch Black, metal part used to support the blade. It's rated as "Easy" to install by customers. It must be torqued to manufacturer specifications which will require a sock...
$11.20
  In Stock
Order within the next 10 hrs and your part ships today!
Bag Frame Assembly – Part Number: 120-7029-03
Bag Frame Assembly
★★★★★
★★★★★
(1)
PartSelect #: PS8852367
Manufacturer #: 120-7029-03
$75.12
  In Stock
Order within the next 10 hrs and your part ships today!
Guide-Cable – Part Number: 114-7988
Guide-Cable
★★★★★
★★★★★
(1)
PartSelect #: PS8845311
Manufacturer #: 114-7988
$3.99
  In Stock
Order within the next 10 hrs and your part ships today!
Bolt-Blade – Part Number: 125-2466
Bolt-Blade
PartSelect #: PS9885938
Manufacturer #: 125-2466
$3.99
  In Stock
Order within the next 10 hrs and your part ships today!
Knob-Handle, Locking – Part Number: 117-5976
Knob-Handle, Locking
PartSelect #: PS8851479
Manufacturer #: 117-5976
$3.99
  In Stock
Order within the next 10 hrs and your part ships today!
Grass Bag Assembly – Part Number: 112-8836
Grass Bag Assembly
PartSelect #: PS8841338
Manufacturer #: 112-8836
$77.32
  In Stock
Order within the next 10 hrs and your part ships today!
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Questions And Answers for 10603

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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Wheel height adjuster lever (spring steel) cracked / split in two.
Tip mower onto side, raising side to be repaired. Empty gas tank if possible or use rags to prevent gasoline drips onto clean surfaces.

Remove wheel using a 1/2" socket.
Remove wheel height assembly with 1/2" socket and open end wrench to hold nut below the deck.
Position new spring arm over the slot on wheel height assembly plate. Check opposite side to verify correct orientation if needed.
Remove plastic cover from old lever using a small flat blade screwdriver. Slip onto new lever.
Replace wheel height assembly.
Replace wheel.
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Parts Used:
Arm-Spring
  • Ray from YARDLEY, PA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Socket set, Wrench set
3 of 9 people found this instruction helpful.
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