Husqvarna CTH-180 (V) Operator's Manual page 21

TRANSMISSION DRIVE BELT (FIG. 31)
Fig. 31
1. engine pulley
2. pulley
3. idler pulley
Adjust the tension of the belt with the pulley 3.
MOWER CLUTCH BELT (FIG. 32)
The tension of the belt is automatically adjusted with the
spring loaded idler pulley.
NOTE: Longer end of hook-spring must be connected to
the tractor chassis. Short end of hook-spring must be
connected to mower deck.
Fig. 32
MOWER DECK BELT (FIG. 33)
ADJUST THE MOWER COG BELT
NOTE: It is recommended that the mower cog belt be
adjusted after 20 hours of operation as the new belts will
stretch slightly during the initial break in period.
ADJUSTMENTS
A. CUTTING OAN REMOVAL (FIG 41)
1. Lower the cutting pan to the lowest position.
2. Pull idler arm assembly in and remove V-belt from
pulley.
3. Disconnect the spring from the engagement lever.
Fig. 41
4. Remove overload switch plate..
5. Lift tunnel to release the lower part from the two
welded pins that connect it to the mower deck
assembly.
6. Pull out tunnel rearwards approximately 10 cm
(100 mm). Secure the tunnel to prevent it from
falling back down.
7. Remove the hair pin clips from front pin and from
the two rear pins.
NOTE: It is recommended to loosen the large spring
for safety and to facilitate reinstalation of cutting pan.
To do so you must remove tunnel.
8. Pull out rear pin from one side and then use a pair of
pliers to pull second rear pin from other side.
If the large spring has not been loosened, the pivot
arm assembly will not spring up with force. Do not
place hands or fingers above the pivot arm assembly
and use pliers when pulling out second rear pin.
9. pull out fron pin
10. Remove V-belt from electro magnetic clutch
11. Slide cutting pan out from side of tractor
B. ADJUSTMENT PROCEDURES FOR
COG BELT TENSION
1. Remove cutting pan from tractor, follow procedure
described in A.
2. Remove V-belt pulley and idler arm assy.
3. Remove plastic belt cover.
4. Loosen the two hex nuts on the cog idler pulley on
tension bracket idler.
5. Adjust nut M10 until the specified tension at cog belt
is reached. (See Fig 33)
CAUTION
English –
19