Wobble Box Maintenance - MacDon 912 Operator's Manual

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SICKLE AND SICKLE DRIVE (continued)

Wobble Box Maintenance

NOTE: For double sickle headers, perform
maintenance at both boxes.
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.
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 (A). Oil level must be
between end of dipstick and bottom hole (or
groove) in dipstick.
3. Add as required. See "Recommended Lubri-
cants" for specified gear lube and capacity of
box.
4. Replace breather/dipstick.
Change wobble box lubricant after the 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 drain
plug from box at (D).
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.
Form # 46620
MAINTENANCE/SERVICE
WOBBLE BOX MOUNTING BOLTS & DRAIN PLUG
USE ADHESIVE FOR ASSEMBLY
50
A
WOBBLE BOX LUBRICANT
Issue 11/06

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