BlueBird H742G - Manual (Page 16)

16
Follow the engine manufacturers maintenance
instructions. Should any malfunction occur with
the engine during the warranty period, take it to
an Authorized Service Dealer. DO NOT tear
down the engine, as this may void the Engine
Manufacturers Warranty.
NOTE: Refer to engine manufacturers owners
manual for all engine service information.
TINE WEAR
After your BlueBird Aerator has been used for
sometime, the tines will wear. When this
happens their aerating performance will
diminish. Inspect tines using the drawing,
replace when at minimum length or before.
(Tines are 5” when new.)
Maintenance and Service Instructions
ENGINE SERVICE AND
MAINTENANCE
DRIVE TRAIN
Engine, Removal and Replacement
1. Remove weights for access.
2. Remove drive guard.
3. Remove V-Belt.
4. Remove engine bolts.
5. Lift engine from unit.
NOTE: Model 742 aerators equipped with
optional Honda engines have 2 pairs of shim
plates under the engine.
6. Remove and retain V-pulley and key.
7. Replacement procedure opposite of removal.
8. Adjust drive belt and align V-pulley, see
following section.
Drive Belt Replacement and Adjustment
1. Turn off engine and remove the drive guard
cover.
2. Remove V-belt.
3. Inspect condition of V-pulleys and replace if
necessary.
4. Check V-pulley alignment by looking down the
belt with clutch engaged. Be sure both
V-pulleys are directly in line with each other.
Correct their alignment if they are not.
5. Install new belt over small V-pulley first, then
over the large V-pulley. (see Figure 11).
Figure 10
Figure 11
NOTE:Many parts including the drive belt on
your BlueBird Aerator are made
specificlly for Husqvarna to give many
hours of use. Replace all parts with
genuine BlueBird parts to obtain
maximum performance and life.
6. Insure V-belt is inside both keeper arms.
7. Check that the V-belt clears the top belt
keeper arm when idler is pulled tight.
Check that the aerator rolls freely (with handle
folded on Models 424 and 530A), with the belt
slack. Adjust the keeper, or clutch cable length
if necessary.
8. For clutch adjustments refer to next section
(Clutch Cable Removal and Replacement).
9. Replace drive guard.