MacDon 963 Harvest Header - Manual (Page 14)

13
HEADER OPERATION
BREAK-IN PERIOD
1. After attaching header to combine or wind-
rower tractor for the first time, operate the
machine with reel, drapers and sickle running
slowly for 5 minutes, watching and listening
FROM THE OPERATOR'S SEAT for binding
or interfering parts.
CAUTION: Before investigating an
unusual sound or attempting to
correct a problem, shut off engine,
engage parking brake and remove key.
NOTE: Reel and side drapers will not operate until
oil flow fills the lines.
2. Change hydraulic oil filter(s) as recommended
in combine or windrower tractor Operator's
Manual.
3. Adjust the tension of sickle drive belt (A) after a
5 hour run-in period.(See Maintenance/
Service section, page 46.) Continue to check
the belt tension periodically for the first 50
hours.
4. Tighten any loose hardware after the first
5 hours operation. See Specifications section,
page 10 for recommended torque values.
5. For headers with gauge wheels, check gauge
wheel bolt torque after the first 10 hours
operation and periodically thereafter (at least
every 100 hours). Torque:
4 bolt hub - 50 to 60 ft.lbs. (70 to 80 N
⋅ m)
6 bolt hub - 80 to 90 ft.lbs. (110 to 120 N ⋅ m)
6. Tighten the four wobble box mounting bolts (B)
after the first 10 hours operation and every 100
hours thereafter. Torque to 200 ft.lbs. (270
N
⋅ m), starting with the side mounting bolts.
7. Change wobble box lubricant after the first
50 hours operation and every 1000 hours (or 3
years) thereafter. See Maintenance/Service
section, page 46.
CHECK SICKLE DRIVE BELT TENSION
A
TIGHTEN FOUR WOBBLE BOX
MOUNTING BOLTS
B