MacDon 742 HAY CONDITIONER - Manual (Page 66)

Form # 46290 Issue 09/05 64
MAINTENANCE/SERVICE
SICKLE AND SICKLE DRIVE (continued)
Wobble Box Mounting Bolts
Tighten the four wobble box mounting bolts (A)
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.
Wobble Box Lubricant
Check wobble box lubricant level before first
operation and every 100 hours thereafter.
To check:
1. Raise header to a point where the wobble box
base is approximately level.
2. Remove breather/dipstick (B). Oil level must be
between end of dipstick and bottom hole (or
groove) in dipstick.
3. Add as required.
Change wobble box lubricant after first 50 hours
operation and every 1000 hours or 3 years
thereafter.
To drain wobble box, raise header fully and
engage header lift cylinder stops. Remove
breather/dipstick (B) and drain plug (D).
Use SAE 85W-140 gear lubricant (API Service
Classification GL-5). Capacity of box is 2.2 litres
(2.3 U.S. quarts)
Wobble Box Assembly/Disassembly
When reinstalling drive arm or pulley:
1. Remove any rust or paint from inner
spline. For replacement parts, remove
oil/grease with degreasing agent.
2. Before assembly, apply Loctite® #243
adhesive (or equivalent) to spline.
Apply in two bands (C) as shown, with
one band at end of spline and one
band approximately mid-way.
B
A
WOBBLE BOX
D