MacDon 963 Harvest Header - Manual (Page 64)

63
UNLOADING & ASSEMBLY
INSTALL GAUGE WHEELS (OPTION)
NOTE: These instructions apply to the standard
gauge wheel package. For instructions for
installing the gauge wheel/transport option, see
next page.
1. Remove chain hooks and move lifting vehicle
to rear of header. Attach chain to center link
anchor on frame tube and raise rear of header.
NOTE: Remove header stands from header outer
legs. These stands are not used with gauge
wheels.
2. Front end of gauge wheel spring assembly
was attached to header outer legs before
header was lowered (see previous page).
Attach clevis at other end of spring to plate (C)
at wheel supports, using 5/8 hex head bolt and
lock nut.
NOTE: Do not collapse clevis by over-
tightening hardware. Clevis must be free to
rotate.
3. Ensure plastic bushings (D) are installed (2 per
support). Position wheel support assembly in
header leg and install tube (E) from outside
header leg through wheel support. Attach two
brackets (F) with 1/2 x 1-1/4 inch bolts and
nuts to the brackets welded to header leg.
IMPORTANT: Tighten to 80 ft. lbs. (110 N
⋅ m).
Be sure that welded tab (G) on tube (E) is
engaged in slot in bracket (F) on one side.
Repeat at other gauge wheel support.
4. Attach gauge wheels to hubs. Torque wheel
bolts to 50 to 60 ft.lbs. (70 to 80 N ⋅ m).
5. Remove pins securing wheel assemblies and
lower to stand position. Secure with pins at (A).
6. Lower header onto gauge wheels and 6" (150
mm) blocks under cutterbar. Remove shipping
stands.
7. Check tire pressure. Inflate to 24 to 28 psi (165
to 195 kPa).
GAUGE WHEELS - STAND POSITION
ENGAGE TAB IN BRACKET SLOT
INSTALL GAUGE WHEEL SUPPORTS