John Deere 318 User Manual
Page 218

4. Slide drive pulley onto PTO shaft.
5. Install snap ring in PTO shaft groove.
6. Install belts on lower drive sheave and work onto
upper sheave.
M31994
-UN
-03AUG89
7. Tighten belt adjuster:
When adjusting PTO belt tension on horizontal adjuster,
tighten bolt until spring measures 41 mm (1.600 in.).
When adjusting PTO belt tension on vertical adjuster,
tighten nut until spring measures 35 mm (1.380 in.).
Horizontal Adjuster
Vertical Adjuster
M49503
-UN
-20DEC89
M49502
-UN
-20DEC89
8. Install belt guard with two nuts (A).
9. Install front grille.
M31991
-UN
-03AUG89
MX,15908005,21 -19-15FEB95
MX,15908005,22 -19-15FEB95
MX,15908005,23 -19-07MAR95
Front Axle/Front Axle—420
TM1590 (17MAY95)
80-05-8
316, 318 & 420 Lawn and Garden Tractors
020895
80
05
8