Taylor-Dunn BIGFOOT B5-440-36, Operation, T Roubleshooting And Replacement Parts Manual

Page: 28 / 130

Front Axle
Page 28
B5-440-36 / B5-440-48
MB-440-01
INSPECT FRONT WHEEL
BEARINGS
1: Raise the front of the vehicle and support with
jack stands.
2: Grab the top and bottom
of the tire/wheel assembly.
Feel for any movement
or play while pulling and
pushing on the top and
bottom of the tire. Any
movement or play is
indication of loose wheel
bearings.
3: Spin the front wheel(s) by
hand. The wheel should stop spinning in no more
than 2-revolutions. A wheel that continues to spin
freely is an indication of a loose wheel bearing.
Note: Refer to the Adjust Front Wheel Bearings
section for detailed information regarding the
proper adjustment of the wheel bearings.
4: Spin the wheel(s) and listen for any grinding
noise. Any noise may be an indication of worn or
damaged wheel bearings.
Note: Refer to the Replace Front Wheel Bearings
section for information regarding the
replacement of the wheel bearings.
5: Lower the vehicle.
6: Reconnect the batteries.
7: Remove the blocks from behind the wheels.
8: Release the park brake and test drive the vehicle.
This section is one section of a complete service
manual. Before starting any procedure, read all
warnings and instructions that are located in the
Service Guidelines chapter.
WARNING
ADJUST FRONT WHEEL BEARINGS
• The bearings must be lubricated before performing
this procedure.
1: Raise the front wheel(s) off of the ground and
support with jack stands.
2:
While rotating the wheel , tighten the front axle
nut until the wheel is difficult to rotate.
3: Continue to rotate the wheel for 5 compete
revolutions.
4: Attach a rope to the tire and wrap around the tire
with 1 foot remaining hanging in the air.
5: Tie a weight (see table and illustration below) to
the end of the rope.
6: Slowly loosen the axle
nut until the hanging
weight rotates the
wheel then rotate to
the nearest flat and
install a new cotter pin.
7: Remove the rope and
weight.
8: Spin the wheel and listen for any grinding noise.
Any grinding noise may be an indication of worn
or damaged wheel bearings.
Note: Refer to the Replace Front Wheel Bearings
section for information regarding the
replacement of the wheel bearings.
9: Lower the vehicle.
10: Reconnect the main positive and negative cables
at the batteries.
11: Remove the blocks from behind the wheels.
12: Release the park brake and test drive the vehicle.
This section is one section of a complete service
manual. Before starting any procedure, read all
warnings and instructions that are located in the
Service Guidelines chapter.
WARNING
Tire Size Weight NEW
(pounds / kg) Weight USED
(pounds / kg)
4.80 x 8 2.15 / 0.975 1.00 / 0.454
5.70 x 8/ 1.99 / 0.902 0.93 / 0.422
4.00 x 8 2.15 / 0.975 1.01 / 0.485
5.00 x 8 1.99 / 0.902 0.93 / 0.422
8.50 x 8 2.02 / 0.916 0.94 / 0.426
8 x 2.50 4.23 / 1.919 1.97 / 0.894
10 x 3.5 3.38 / 1.533 1.56 / 0.708
NEW: Weight = 16.931 / Radius
USED: Weight = 7.875 / Radius
3-Wheel vehicle front fork shown for illustration
purposes only