SkyTrak 6036 Service Manual - Manual (Page 60)

Section 5 Wheel Assembly, Tires, and Axle
5-10 Model 6036/6036T S/N 9B0500 thru 14833
5.1.15 Installing a Wheel
on the Forklift
1. Be sure you’ve read and understood the
warning notices and general instructions in
paragraph 5.1.
2. Remove the wheel assembly from the safety
cage and place it on the axle hub.
3. Secure the wheel assembly to the axle hub
with ten wheel lug nuts. Torque the nuts to
450 to 500 lb-ft (610 to 678 Nm). Use the
torquing sequence shown in Fig. 5.5.
1
2
3 4
5
6
7
8
9
10
OA0453
shows was started by the overheated condition
that developed when the unit was towed at high
speed.
If tires are to operate for any length of time on
roads or other hard surfaces, it is advisable to
increase pressure in the tire to the maximum
recommendation to reduce the movement of the
tread bars that causes excessive wiping action.
5.1.19 Care and Storage of Tires
Store unmounted tires vertically on tread. If stored
for an extended period, rotate tires periodically to
reduce stress concentrations in the area of ground
contact. Tires should not be stored flat and “stove
piped” as they will become squashed and dis-
torted, making mounting on the rim difficult–
particularly for tubeless tires.
Inflated tires should be stored under the conditions
noted above, with inflation pressure reduced to
10 psi (68,9 kPa).
Tires should not be stored out-of-doors. However,
it there is no alternative, tires so stored must be
protected from the elements. An unbroken
opaque covering is required as protection from
sun and rain.
Exposure to weather will cause crazing and
cracking of the rubber surfaces as well as deterio-
ration of the tire carcass–particularly where rain
water is permitted to accumulate in the tires.
When extended storage is anticipated, the forklift
should be blocked up so the tires are out of
ground contact. Inflation pressure in the tires
should then be reduced to 10 psi (68,9 kPa).
Other precautions as noted above should be
observed.
If it is not possible to block up the forklift, inflation
pressure in the tires should be increased 25
percent. The forklift should be moved from time to
time to change the location of stress concentra-
tions in the tire ground contact area.
Store tires indoors in a cool, dark, dry area free
from drafts. Both heat and light are sources of
oxidation on the tire surfaces–a result of which is
crazing and weather checking. Never store tires
on oily floors or otherwise in contact with solvents,
oil or grease. Further, tires should not be stored in
the same area with volatile solvents. Such
solvents are readily absorbed by rubber and will
damage and weaken it.
Store tires away from electric motors, generators,
arc welders, etc., since these are active sources of
ozone. Ozone attacks rubber and causes crazing
and weather checking.
Fig. 5.5 Wheel Torque Sequence
4. Remove the jack stands and lower the tire to
the ground.
5.1.16 Care of Core Ejector
Keep packing nut on plunger fairly tight to avoid
leaks. However, do not set it so tight that plunger
cannot easily be pushed into position. When not in
use for long periods of time, keep core ejector
submerged in a container of clear water.
5.1.17 Care of Pump
Do not pump all of the solution out of the reservoir.
A small amount of solution is required to keep air
out of the pump and thus prevent corrosion and
sticking. If water is used, be sure to place pump
and reservoir where the water will not freeze.
5.1.18 Tire Speed and
Road Surface Limitations
Forklift tires are designed for low speed operations
not exceeding 25 mph (40 km/hr). If the forklift is
towed at high speeds on the highway, high tem-
peratures may develop under the tread bars and
weaken the rubber material and cord fabric. There
may be no visible evidence of damage at the time.
Later a premature failure occurs which experience