1728 Orbit Way - Minden, Nevada 89423 P: 775-782-1700 F: 775-782-1701 info@maxtonvalve.com www.maxtonvalve.com
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CAUTION:
The information contained herein is for use by skilled hydraulic elevator professionals.
Before disassembly of the valve, make sure the power is off by turning the main disconnect
switch off and that the elevator is resting on the buffers (zero system pressure).
The possible problems and causes are listed in order of likelihood and ease of checking.
The first section of the guide deals with the UP SECTION, while the second deals with the
DOWN SECTION.
It is important to use the following reference materials in conjunction with the trouble shooting procedures:
UC4, UC4MB44 Operating Sequence
UC4, UC4MB44 Adjustment Procedure
UC4, UC4MB44 Schematic
TROUBLE SHOOTING PROCEDURES UC4, UC4M, UC4MR B44
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