Table 1-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES
If the equipment must be kept in continuous operation, check and service only those items that
can safely be checked and serviced without disturbing operation. Make the complete checks and
services when the equipment can be shut down.'
B - Before
W - Weekly
AN - Annually
(Number) - Hundreds of Hours
D - During
M - Monthly
S - Semiannually
A - After
Q - Quarterly
BI - Biennially
ITEM TO BE INSPECTED
Inspect surfaces for punctures, cracks, or open
seams that could permit moisture to enter wall.
Inspect four level indicators for damage and to
be sure section is level.