Cub Cadet 2518 w/48" Mower Deck Operator's Manual page 36

PTO BELT
MOWER DECK
CENTER DOUBLE
PULLEY
Figure 39
17. While holding the belt in position, rotate the deck
idler arm lever into its stop bracket to tension the
PTO belt (Refer to Figure 40). Make certain the
PTO belt is properly positioned in the PTO clutch
pulley and both lower front pulleys. Reposition if
necessary.
Figure 40
18. Raise the deck by moving the implement lift
handle to its highest setting.
19. From beneath the right rear fender, push the lift
assist rod eown and outward to release from the
frame.Disengage the hook of the lift assist spring
from the pigtail hook (See Figure 41).
Figure 41
FRONT OF DECK
STOP BRACKET
IDLER ARM
LEVER
LIFT
ASSIST
SPRING
PIGTAIL
LIFT ASSIST
HOOK
ROD
LIFT ASSIST
SPRING
HOLE IN REAR
DECK BRACKET
20. Install the lower hook of the lift assist spring into
the hole in the right rear deck bracket (See Figure
42).
21. Tension the lift assist spring by pushing
downward and then inward on the rear of the lift
assist rod so that the flange at the rearward end
of the rod locks inside the tractor frame (See
Figure 43).
22. From beneath the left rear fender, repeat the
procedures described in steps 20 through 22 to
release, install and tension the left hand lift assist
rod and spring.
23. Connect the spark plug wires if previously
disconnected.
36
Figure 42
LIFT ASSIST
ROD
Figure 22
LIFT
ASSIST
SPRING