John Deere 318 User Manual
Page 228

SERVICE MOWER BLADE JACK
SHEAVES—46 AND 50-INCH MOWER
Mower blade jack sheaves normally require no lubrication
or service. If, for any reason the jack sheave must be
disassembled, be sure to lubricate and torque parts as
required.
When assembling bearings and spacer, fill cavities (K
and N) 75 percent full of multipurpose grease.
TORQUE SPECIFICATIONS
Lock Nut (A) . . . . . . . . . . . . . . . . . . . . . . . . . . 140 N·m (103 lb-ft)
Cap Screw (I) . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 N·m (54 lb-ft)
A—Lock Nut
I—Cap Screw
B—Key
J—Spindle
C—Jack Sheave
K—Grease Cavity
D—Washer
L—Bearing
E—Hub
M—Spacer
F—Snap Rings
N—Grease Cavity
G—Mower Blade
O—Bearing
H—Washer
M78054
-UN
-21FEB95
MX,15908010,5 -19-15FEB95
Mower Spindle and Jack Sheave Repair/Mower Blade Jack Sheaves
TM1590 (17MAY95)
80-10-4
316, 318 & 420 Lawn and Garden Tractors
020895
80
10
4