Snapper RT5 Series Service Manual page 23

FIG. 4. 19 - IDLER BRACKET BOLTS
FIG. 4. 21 • OLD STYLE - DISCARD
BELT IDLER
The belt idler bracket is attached to the side frames
by four 1/4x3/8 self tapping screws, two on each
side. Remove the screws (Figure 4.20), belts, discon¬
nect the clutch spring (Figure 4.21) and remove the
idler assembly. NOTE: The idler has been redesign¬
ed to provide better beit control. If the idler
assembly is of the eariier design as shown in figure
4.22, it should be replaced by the later unit shown in
figure 4.29. The same appiies to the eariier idler arm
& pulley shown in figure 4.23. Repiace it with the
new styie unit shown in figure 4.29. Refer to the rear
tine tiiler parts manual for correct part numbers.
Recondition new styie idier as foliows:
STEP 1; Remove beit and both wheels.
STEP 2: Remove the two self-tapping screws from
each side of the frame (figure 4.19).
STEP 3: Loosen idler assembly and disconnect the
cable spring.
STEP 4: Shift transmission into 4th and puii the idler
assembly out the top (or shift into REV and puli out
thru bottom,) Note: If drive disc or puliey are broken,
the engine should be removed to make access to the
idler assembly easier.
STEP 5: Completeiy disassemble the unit down to
the idler bracket (Figure 4.24) and carefuiiy inspect
components as removed.
STEP 6: Begin rebuiiding procedure by inserting the
5/16x2 hex head capscrew thru bracket as shown in
figure 4.26, instali spacer then idler arm and the
larger 11/32" flat washer (Figure 4.26).
STEP 7: Instaii fixed puiley as shown in figure 4.27
and secure with a 5/16 split lockwasher and 5/16 hex
nut (Figure 4.28).
STEP 8: Secure the idler pulley to the threaded por¬
tion of the idler arm with a 3/8" flat washer next to
pulley, split iockwasher and 3/8Cx1-1/2 hex head
capscrew (Figure 4.29).
STEP 9: After reinstailing reconditioned or new idler
unit, the belt routing shouid be as shown in figure
4.30.