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TRACTOR - MODEL NUMBER 917.275280
MOWER DECK
KEY PART KEY
NO. NO. DESCRIPTION NO.
1 180358 Deck Weldment Mower 48 52
3 178915 Bracket Asm., Sway Bar 56
6 4939M RetainerSpring 57 156941
6 178024 Sway Bar 91 180535
8 174365 Bolt 7/16 Asm. Blade 94 176066
11 180(354 Blade 95 180534
13 174360 ShaftAsm. w/Lower Bearing 97 133943
14 174358 MandrelAsm. 98 179479
15 110485X Beadng,Ball,Mandrel 99 181775
16 174493 StripperMandral Deck 100 72110616
17 72110610 BoltRDHD Sq Neck 3/8-16xl.25 110 175016
18 72140505 Bolt,Carriage 5/16-18 x 5/8 112 174387
19 132827 Bolt, Hex Hd, Shoulder5/16-18 113 72110508
20 174378 Baffle, Vortex Mower 114 174384
21 73680500 Nut,Crownlock 5/16-18UNC 115 174609
24 105304X Cap, Sleeve 116 137644
25 178102 Spring,Torsion 117 174873
26 110452X Nut, Push 118 73930600
27 180655X428 DeflectorShie{d 119 19121414
28 19111016 Washer 11/32 x 5/8 x 16 Ga. 121 174371
29 131491 Rod,Hinge 122 174606
30 173984 Screw,ThdrollWasher Head 126 174372
31 129963 Washer, SpacerMowerVented 130 17000616
32 177865 Pulley,Mandrel 132 17060612
33 178342 Nut, Fig. Top Lock Cntr. 9/16 182 179127
36 19131316 Washer 13/32 x 13/16x 16Ga. 183 163552
37 177968 Pulley, Idler, Flat 184 173979
39 174375 Pulley,Idler, Driven - - 181579
42 165723 Spacer,Retainer - - 174356
43 174373 Arm, Idler Secondary
45 174343 Cover,Mandrel Deck
46 137729 Screw,Thdro{I. 1/4-20 x 518
47 180808 V-Belt, Mower,Secondary
48 174368 V-Belt, Mower,Primary
49 73680600 Nut,Crownlock 3/8-16 UNC
50 72110612 Bolt,Carr. 3/8-16 x 1-1/2 Gr. 5
PART
NO. DESCRIPTION
175820 PulleyIdler Flat
155986X431 Bar Pnt Adj.
Pin Head Rivet
BracketAsm. NoserollerRH
Noseroller
BracketAsm NoserolierLH
WasherHardened
SpringPrimary Drive
Pulley Idler'V"
Bolt RDHD Sqnk3/8-16 UNC x2
ArmSpringSecondary
LinkTension Relief Lever
Bolt Cart. 5/16-19 x 1
Tension Asm. ReliefLever
Arm SpringTensionRelief
Bolt,Shoulder
GaugeWheel
Nut, Canterlock 3/8-16 UNC
Washer 3/8 x 7/8 x 14 Ga.
Spring SecondaryDrive
BushingPivot TensionRelief
Arm, Idler, PrimaryDeck
Screw 3/8-16 x 1.0
Screw 3/8-16 x 3/4
Rod RollerNose
RetainerSpring
Keeper Belt Idler
Replacement Mower,Complete
MandrelAssembly
(Includes Key Nos. 13-15 and 33)
NOTE: All componentdimensionsgiven in U. S.
inches 1 inch = 25.4 mm
47