to the proper adjustment, check the manufacturer's
the system to block the control valve and cause the
system to malfunction.
specification in the operator's or maintenance manual.
The fluid level in the reservoir should be checked at
In addition to linkage maintenance, there are other
each maintenance cycle and kept above the add or low
items in power or hydraulically assisted steering
mark. Inspect the hoses and connections for signs of
systems that must be inspected for condition and
leakage. Loss of even a small amount of fluid can
operability (fig. 2-17).
damage the pump, so if leaks are found, make repairs
If the pump is belt driven, the first thing to check is
as soon as possible.
the condition of the drive belt. Make sure that it is
The power steering system will absorb much of
sufficiently tight to prevent slippage, yet loose enough
to prevent damage to the shaft bearings. If in doubt as
the looseness or slack that would be readily apparent
CONTROLLER
PUMP
ACTUATOR
ASf02017
Figure 2-17.--Power steering system.
2-13
