Table 2-1. Operator Preventive Maintenance Checks and Services for Pumping Unit - Continued

TM 10-4320-311-14 Table 2-1. Operator Preventive Maintenance Checks and Services for Pumping Unit - Continued B - Before D - During Operation A - After Interval Item Item to be Procedures Equipment Is Not No. B D A Inspected Check for and have repaired/adjusted as necessary Ready/Available 3 Hinge, Latch, Check that hinge (2), access door latch (3), and door (4) Hardware cannot be and Door are secure secured 4 Handles Check condition of handles (5). Handles are Inoper- able or bent. 5 Ratchet Strap Check condition of straps and ratchet assemblies (6) Strap is frayed Assembly or ratchet is inoperable. Sound Enclosure Interior 6 Acoustical Inspect acoustical foam within the enclosure. Check to Acoustical foam Foam make sure acoustical foam does not block air flow, is not blocks air flow, con- torn or scarred, and does not show signs of contacting a tacts a hot surface, hot surface. or is damaged Pump 7 Pump Fluid Drain Cock Check condition of pump fluid drain cock (1) Damaged drain cock or Class III leakage of fluid 2-8