Table 2-1. Operator Preventive Maintenance Checks and Services CONT.
Item to be
Do not turn vibratory system on while
Roller is standing still on a very solid
surface. A loss of steering can be
experienced which could result in
injury or death to personnel.
a. Move amplitude select switch to low
pitch mode. Turn vibration on/off switch
b. Press vibration on/off switch to stop
vibration. Move the amplitude select
switch to high pitch mode. Press
vibration on/off switch to start
c. Turn vibration frequency control switch
to full low and full high positions.
Check that VPM gauge shows change in
d. Press vibration on/off switch to turn off
the vibration system and stop roller.
does not operate in low
does not operate in
both high and low
VPM gauge does not
show change in
Check for any unusual steering noise,
binding, or difficulty in turning.
Steering binds or is
Stop roller, apply parking brake, and
check that horn sounds when horn switch
Move lights switch through all positions
and check that front and rear worklights
illuminate. Turn engine OFF.
Worklights do not
illuminate (if mission
is to occur during low
light or night time).