MacDon 4000 Mower Conditioner - Manual (Page 52)

52
MAINTENANCE/SERVICE
KNIFE AND KNIFE DRIVE (continued)
Wobble Box Mounting Bolts
Check four wobble box mounting bolts (B) torque
after the first 10 hours operation and every 100
hours thereafter. Torque should be 200 ft.lbs. (270
N
⋅
m). When tightening, start with the side
mounting bolts.
If slotted nut (C) securing drive arm is removed,
torque to 200 ft.lbs. (270 N
⋅
m) when replacing.
Wobble Box Lubricant
Check wobble box lubricant level before first
operation and every 100 hours thereafter.
To check:
1. Lower mower conditioner to ground.
2. Remove breather (A) and measure down. Oil
level should be 2 1/2 to 3 1/2 inches (65 to 90
mm) from top of hole.
NOTE: Use a somewhat flexible measuring
device to allow insertion past internal
components.
3. Add as required. See "Recommended
Lubricants" for specified gear lube and
capacity of box.
4. Replace breather.
Change wobble box lubricant after the first 50
hours operation and every 1000 hours (or 3 years)
thereafter.
WOBBLE BOX MOUNTING BOLTS
B
C
CHECK WOBBLE BOX OIL
A