Models > RY4CSS

RY4CSS ((090432027)) Ryobi Trimmer - Overview

Sections of the RY4CSS

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Crank Handle Assembly – Part Number: 312283001
Crank Handle Assembly
PartSelect #: PS16325274
Manufacturer #: 312283001
$3.99
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Straight Shaft Assembly – Part Number: 308035047
Straight Shaft Assembly
PartSelect #: PS11857293
Manufacturer #: 308035047
$19.84
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Hanger Cap – Part Number: 518019002
Hanger Cap
PartSelect #: PS9964412
Manufacturer #: 518019002
  No Longer Available
Upper Housing – Part Number: 530001004
Upper Housing
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(1)
PartSelect #: PS16352252
Manufacturer #: 530001004
$3.99
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Bump Knob (Green) – Part Number: 530455002
Bump Knob (Green)
PartSelect #: PS16353017
Manufacturer #: 530455002
$3.99
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Spring – Part Number: 678749001
Spring
PartSelect #: PS9996189
Manufacturer #: 678749001
  No Longer Available
Lower Housing – Part Number: 530366001
Lower Housing
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(1)
PartSelect #: PS16353012
Manufacturer #: 530366001
$4.99
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Flanged Washer – Part Number: 099078001005
Flanged Washer
★★★★★
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(1)
PartSelect #: PS9872851
Manufacturer #: 099078001005
This flanged star washer is a manufacturer-sourced replacement part designed for use trimmers. It is also known as a tooth lock washer due to its serrated inner edge which resembles inward facing teet...
$5.67
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Grass Deflector Assembly (Inc. Key No. 16) – Part Number: 308473005
Grass Deflector Assembly (Inc. Key No. 16)
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(1)
PartSelect #: PS16324411
Manufacturer #: 308473005
$8.83
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Hex Nut (M8, Left Hand Threads) – Part Number: 662568002
Hex Nut (M8, Left Hand Threads)
PartSelect #: PS16392470
Manufacturer #: 662568002
$3.99
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Gear Head – Part Number: 308210009
Gear Head
PartSelect #: PS9937956
Manufacturer #: 308210009
$25.45
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Spool – Part Number: 530670001
Spool
PartSelect #: PS16353019
Manufacturer #: 530670001
$3.99
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Questions And Answers for RY4CSS

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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Replaced straight shaft, and the gear head.
Removed the 2 bolts holding the gear head to shaft. On my model I had to remove the complete trimmer head, then using 2 wrench take the trimmer head adapter off the gear heD. One video showed simply putting a screwdriver in the notch behind trimmer head and unscrewing complete head. Mine of course was slightly more involved but still quite easy once I saw what needed to be done.
Parts Used:
Straight Shaft Assembly
  • Tim from HOLLISTER, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Socket set
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