MacDon 5020 Mower Conditioner - Manual (Page 72)

72
UNLOADING & ASSEMBLY
INSTALL WHEELS IN FIELD POSITION
1. Attach front of tongue to tractor drawbar. See “Attaching Windrower to Tractor” in Operation section. If
tractor is not available, block front of tongue securely.
WARNING: Ensure block at front of tongue is wide and stable enough to prevent tipping off
of block when rear of unit is jacked up to install wheels.
2. Remove jack from working position on tongue.
WARNING: Ensure jack is 5000 lb. capacity before using it to lift frame for wheel
repositioning. Jack label must indicate 5000 lb. maximum capacity. Production units prior to
2003 are equipped with a 2000 lb. capacity jack intended for tongue only. The 2000 lb.
capacity jack is not adequate for lifting frame.
3. Position jack on mount provided on frame leg and raise enough to place a 12” (300 mm) block under
frame leg at (A).
4. Remove spindle retaining bolt and nut (B) and move wheels from shipping position (C) to field position
(D).
NOTE: Shipping position for wheels on 12’ units is outboard of the frame legs. Field position for all units is
inboard of frame leg.
5. For both wheels on 12 ft. unit, and left wheel only on 14 and 16 ft. units, use the following procedure to
achieve enough clearance to vertical float spring and chain drive housing to allow installing the wheels in
field position:
•
Remove wheel and tire from spindle/hub assembly.
•
Install spindle/hub assembly in field position (D).
•
Slide spindle outboard until clearance to vertical float spring and/or chain drive housing is adequate for
wheel installation on spindle.
• Reinstall wheel and tire. Tighten wheel bolts.
6. Install spindle retaining bolt and nut (B). Torque the 1/2 inch lock nut (B) to 80 ft.lbs. (110 N·m).
7. Raise jack, remove block and lower machine onto the tire. Torque wheel bolts to 120 ft.lbs. (160 N
⋅
m)
8. Repeat steps 2 to 6 at other side.
9. Check tire inflation pressure. Adjust to 30 psi (207 kPa).
12’ 14’ & 16’
INSTALL WHEELS IN FIELD POSITION
B A
A
C
C
D
D