Craftsman 917.273220 Owner's Manual page 24

Bottom edge of
Bottom
mower
edge of
to
mower to
ground
ground
A
Ground Line
SIDE-TO-SIDE ADJUSTMENT
• Raise mower to its highest position.
• Measure height from bottom of deck
curl to ground level at front corners of
mower. Distance "A" on both sides of
mower should be the same.
• If adjustment is necessary, make
adjustment on one side of mower only.
• To raise one side of mower, tighten lift
link adjustment nut on that side.
• To lower one side of mower, loosen lift
link adjustment nut on that side.
NOTE: Each full turn of adjustment nut
will change mower height about 3/16".
• Recheck measurements after adjust-
ing.
FRONT-TO-BACK ADJUSTMENT
IMPORTANT: DECK MUST BE LEVEL
SIDE-TO-SIDE. if the following front-to-
back adjustment is necessary, be sure to
adjust both front links equally so mower
will stay level side-to-side.
To obtain the best cutting results, the
mower housing should be adjusted so
the front is approximately 1/8" to 1/2"
lower than the rear when the mower is in
its highest position.
Check adjustment on right side of tractor.
Measure distance "F" directly in front of
and behind the mandrel at bottom edge
of mower housing as shown.
• Before making any necessary adjust-
ments, check that both front links are
equal in length.
• If links are not equal in length, adjust
one link to same length as other link.
• To lower front of mower housing,
loosen nut "G" on both front links an
equal number of turns.
• When distance "F" is 1/8" to 1/2" lower
at front than rear, tighten nut "H"
against trunnion on both front links.
• To raise front of mower housing,
loosen nut "H" from trunnion on both
front links. Tighten nut "G" on both
front links an equal number of turns.
• When distance "F" is 1/8" to 1/2" lower
at front than rear, tighten nut "H"
against trunnion on both front links.
NOTE: Each full turn of nut "G" will
change dim. "F" by approximately 3/8".
• Recheck side-to-side adjustment.
A
"F"
"F"
Both Front Links Should be Equal in Length
Nut "H"
Trunnion
Front Links
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL
• Park tractor on a level surface. Engage
parking brake.
• Remove screws from left hand
mandrel cover and remove cover.
• Roll belt over the top of left hand
mandrel pulley.
• Remove belt from electric clutch
pulley.
• Remove belt from idler pulleys.
• Remove any dirt or grass clippings
which may have accumulated around
mandrels and entire upper deck
surface.
• Check primary idler arm and two idlers
to see that they rotate freely.
• Be sure spring is securely hooked to
primary idler arm and bolt in mower
housing.
MOWER DRIVE BELT INSTALLATION
• Install belt in both idlers. Make sure
belt is in both belt keepers at the idlers
as shown.
• Install new belt onto electric clutch
pulley.
• Roll belt into upper groove of left hand
mandrel pulley.
• Carefully check belt routing making
sure belt is in the grooves correctly
and inside belt keepers.
• Reassemble left hand mandrel cover.
24
Mandrel
GROUND DRIVE
KEY PART
NO. NO.
2 7070E
3 7563R
5 STD541437
6 STD561210
7 140507
9 140080
15 STD551037
17 140921
Nut "G"
20 73940800
22 156103
23 130564
28 STD541237
29 140494
30 19131616
33 12000053
34 124236X
35 137648
36 149412
37 121749X
38 150035
39 74321016
40 5304J
41 73661000
42 8883R
46 145170
47 138228
48 72110612
50 131494
51 STD541437
52 139123
53 207J
54 161590
55 105706X
56 140218
58 74760724
61 140488
64 154752
65 67609
66 140296
67 19131312
68 5142H
69 123800X
70 151146
TRACTOR -- MODEL NUMBER 917.273220
KEY PART
DESCRIPTION NO. NO.
Key 1/4 x 2.5 71 151179
Washer, Thrust, Axle 72 STD541431
Nut, Crownlock 3/8-16 73 74490548
Pin, Cotter 74 142432
Wheel, Hub Assembly 76 140481
Bolt, Hub 77 74760716
Wahser 13/32 x 13/16 x 16 Ga.
78 19111212
Spring 79 72110505
Nut Hex Jam Toplock 1/2-20 80 140484
Arm Asm Shift
81 17490612
Knob 82 150586
Nut 83 140479
Brake, Rod 84 140490
Washer 13/32 x 1 x 16 Ga. 85 17541020
Ring E
86 140462
Cap, Plunger 87 140491
Rod, Parking Brake 88 161592
Spring, Drive Ground
89 73680700
Washer 25/32 x 1-1/4 x 16 Ga. 90 140489
Nyliner 91 17490644
Screw, Fin. #10-24 x 1
92 74760520
Actuator, Interlock Switch 93 140502
Top Lock #10-24
94 133835
Cover, Pedal 96 141103
Retainer, Spring 98 141004
Clutch Rod
99 17490624
Bolt, Carr. 3/8-16 x 1-1/2 Gr. 5 100 126881X
Pulley, Idler, Flat 101 156106
Nut, Crownlock 3/8-16 UNC
104 140480
Pulley, Idler, Grooved 105 17580408
Washer, Hardened
106 142918
Clutch, Arm Assembly 107 154739
Bearing, Idler 108 142917
V-Belt
109 140929
Bolt Fin Hex 7/16-14 x 1-1/2 111 156240
Pulley, Transaxle 112 156104
Shaft, Clutch/Brake Pedal
113 73220700
Bolt, Shoulder 115 123405X
Washer, Hardened 116 73900500
Washer, Flat 117 73900600
Pin, Roll - - 163198
Washer
NOTE: All component dimensions given in U. S.
Console Hydro Fender
41
DESCRIPTION
Plate Console Shift
Nut, Crownlock 5/16-18
Bolt Hex Flghd 5/16-18 x 3 Gr5
Screw Hex Wsh. Hi-Lo 1/4-1/2
Bracket Transaxle
Bolt Fin Hex 7/16-14 x 1
Washer 11/32 x 3/4 x 12Ga.
Bolt Carriage 5/16-18 x 5/8
Bracket Torque RH
Screw Thdrol 3/8-16 x 3/4
Bracket Mount Torrque/Fan
Strap Torque Mid
Spacer
Screw #10-24 x 1-1/4
Fan 7" Hydro
Adapter Fan
Pulley Idler
Nut Crownlock 7/16-14 Unc
Keeper Belt
Screw Thdrol 3/8-16 x 2-3/4
Bolt Fin Hex 5/16-18 x 1.25
Link Shift Asm
Fastener Christmas Tree
Washer Nickel Plated
Bracket Shift
Screw Thdrol 3/8-16 x 1-1/2
Washer Compression
Washer Bellville
Bracket Idler
Screw Tap 1/4-20 x 1/2
O-Ring Asm Hydro Gear 70110
Line Fuel Hydro 15" VGT
Cap Asm Vent Hydro Gear 70109
Spring Return Brake
Spacer Shift Lever VGTH
Washer Nylon High Temp
Nut-Hex ASF 7/16-14 UNC
Keeper Belt T/A Gnd Dr
Nut Lock Hex Flange 5/16-18
Nut, Lock Flg. 3/8-16
Transaxle (See Breakdown)
Hydro Gear 222-3010L
inches 1 inch = 25.4 mm