Link Belt Replacement - Carrier Aero 39MN Series Installation, Start-Up And Service Instructions Manual

LOCKING
COLLAR
LOCKING
NUTS (2)
BEARING
ACCESS PLATE
BEARING
HOUSING
SET
SCREW
DRIFT PIN
HOLE
LOCATING PIN
FEED
BELT
Fig. 168 — Solid Belt Replacement

LINK BELT REPLACEMENT

WARNING
Before performing service or maintenance operations on
unit, turn off main power switch to unit. Electrical shock
could cause personal injury.
1. Confirm the model number on the replacement belt kit
matches the model number on the energy recovery cas-
sette label.
2. Remove any remnant of old belt from cassette.
3. At location near pulley, attach the hook end of belt to
wheel rim with tape, making sure that narrow side of
"V" belt is positioned against rim and link is covered
by the tape (see Fig. 169).
4. Rotate the wheel clockwise while feeding belt onto
wheel rim (be careful not to twist belt) until taped end
returns to pulley location. Remove tape from wheel.
5. Link belt ends together with belt wrapped around
wheel (Fig. 170).
6. Rotate wheel clockwise to position connector approxi-
mately 180 degrees from pulley location.
7. At pulley location, insert the right angle belt retaining
clip near spoke and between segment retainer latch and
wheel rim as shown in Fig. 171.
IMPORTANT: To avoid release of segment retainer
latch, do not insert retaining clip on other side of spoke.
8. Rotate wheel counterclockwise until belt retaining clip
is within a few inches of the wheel bearing beam (see
Fig. 172).
9. Lift and remove the belt from the wheel rim between a
point opposite the pulley and belt retaining clip and
stretch over pulley (see Fig. 173).
BELT (SHOWN
IN PLACE)
BEARING
WHEEL RIM
SUPPORT
BEAM
WHEEL
HUB (2)
TAPER-LOCK
HUB COLLAR (2)
SHAFT
PULL
PULLEY
MOTOR
a39-2387
SIDE
SIDE
10. Rotate wheel clockwise until the belt is fully stretched
onto pulley and wheel rim.
11. Remove belt retaining clip and rotate wheel by hand
two rotations while observing that belt is not twisted as
it enters pulley. Also ensure that belt is tracking mid-
way between outer edge of rim and seal plate, or in
belt guide channel where provided.
12. Apply power to cassette and observe belt tracking un-
der power.
a39-2997
Fig. 169 — Belt Attached to Wheel Rim
a39-2998
Fig. 170 — Belts Linked Together
185