C08.0 Attachment 2 Gold Cup Comp Adjustment.pdf
PDF 127 KB Posted
- Solicitation number
- N4523A23Q5747
About this file
This document provides instructions for adjusting compensators on Denison Gold Cup variable displacement piston pumps. It outlines the necessary setup including installing pressure gauges and configuring the system to allow blocking of the pump outlet. The adjustment procedure specifies starting the pump, checking the replenishment gauge pressure, pressurizing the forward pressure port with the system blocked, and then adjusting the compensator screw clockwise or counterclockwise to increase or decrease the pressure reading until the desired pressure is achieved. Tightening the locknut and replacing the acorn nut completes the adjustment. The related federal contract opportunity is a solicitation from the Department of the Navy Naval Supply Systems Command for inspection and adjustments on Denison Gold Cup pumps located on a floating crane.
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Text version
Gold Cup Compensator Adjustment
Purpose: Instructions for proper field adjustment of compensators on Gold Cup Pumps
Setup:
1. Install pressure gages in ports Ag and Bg, or elsewhere in the main system lines.
2. Configure the system to allow for the pump outlet to be blocked. This may be done by valves or by a lock on the driven fluid motor shaft (brake).
3. If initial start up, back out the compensator adjusting screw (not necessary if changing pressure on an operating system).
Procedure:
1. Start the pump drive. Check to see that the replenishment gage achieves its proper value.
This may vary depending upon system requirements, but should be in the range of 200 PSI to 350 PSI.
2. With the system blocked, set the input control to full to pressurize the forward pressure port.
(Ag or Bg).
3. The unit will now be operating on the compensator. The pressure may be now adjusted.
Remove the acorn nut and loosen the locknut. To increase pressure, turn the adjusting screw CW, to decrease turn it CCW, until the desired pressure is achieved. Tighten the locknut and replace the acorn nut. Check on the opposite side if the drive is reversible. This should show the same pressure as the forward side +/- 200 PSI.
Note: ½ turn of the adjustment screw will give approximately 1000 PSI pressure setting change.
File details come from the government source that posted it. Updated .