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2-1/4" SPINDLE
3/16 X 1-1/2 COTTER PIN
4" X 22-1/4" SPINDLE-
SLEEVE ASSEMBLY
4-5/8" GREASE
PURGABLE SEAL
INNER BEARING
CONE
6250 Disc Wheel Bearing
Maintenance
TRIPLE LIP GREASE SEAL
INNER BEARING CONE
INNER BEARING CUP
8 BOLT HUB
6250 WING FRAME WHEELS
INNER BEARING
CUP
8 BOLT HUB
INNER SPIN NUT
TONGUE WASHER
DEXTER LOCK WASHER
6250 CENTER FRAME WHEELS
Figure 4-21: Wheel Bearing Maintenance
OPERATION AND MAINTENANCE
OUTER BEARING CUP
OUTER BEARING CONE
SPINDLE WASHER
1-14 HEX SLOT NUT
HUB CAP
OUTER BEARING CUP
WHEEL SPACER
OUTER BEARING
CONE
HUB GASKET
HUB CAP
Center Frame
Center frame wheel bearing maintenance should be
performed at the beginning of every season. Check
periodically for excessive endplay. If needed, adjust or
replace hub and components using the following
procedure (See Figure 4-21.)
OUTER
SPINDLE NUT
5/16 SPLIT LOCK
WASHER
5/16-18 X 3/4
HEX HEAD CAP
SCREW
4-19
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