Preventive Maintenance Programs:

•Alignment and operation of doors and operators
•Loose hardware and tighten as needed
•Tracks, rollers, cables and springs for wear and/or damage
•Panels for damage
•All safety devices
•Lubricate springs, cables, tracks and rollers for proper operation
•Guides, slats, end caps, bottom bar, head plates, and barrel spring tension

•Front & rear hinge lip spools and pins
•Toe guards
•Adjust main counterbalance
•Ramp control or hold down assembly
•Cross traffic/safety legs
•Release chains, lift arm, lift arm roller
•Lip extend mechanism, sub frame, and bumpers
•Stringers and front/rear headers
•Cylinders, linkage and welds
•Main springs
•Weather seals
•Dock level supports and pull chains
•Tighten all nuts and bolts
•Lubrication of all pivot points, pins and hinge tubes.
•Leveler to make sure it is working smoothly and can run through its full range, going both above and below dock.

•Hydraulic cylinders & hoses
•Hydraulic fittings
•Limit switches and switch arms
•Cylinder pivots
•Sub frame
•Fluid level in reservoir
•Valve block in motor/pump
•All electrical components

•Condition of fabric
•All fasteners/perimeter anchors
•All seams, wear pleats, and foam core
•Adjust any counterbalance, framework of pads, and overall bumper condition

•Shelter framework
•Fiberglass panels or fabric wrap
•Fabric header curtain and fabric side panels
•Bottom enclosures
•Trim angles
•Tighten all fasteners and shelter frame protectors