Midland A-22075 Series User Manual

P/N: A-22075/6, Rev. 1.1
Page 15 of 45
3.1.6 Lift up the O-ring retainer (item 3), use of a pair of screwdrivers maybe required.
Figure 3-6 Remove Retainer
3.1.7 Use a non-scratching tool to remove the O-ring (items 8 and 9) from the O-ring groove of the
retainer.
Figure 3-7 Remove O-rings from Retainer
3.1.8 Clean and lubricate the stem thread. Loosen the locknut (item 10) from adjustment nut (item 10)
using two wrenches of suitable length as shown below. The appropriate wrench length will vary
depending on the valve size and physical capabilities of the operator. Refer to Table 1-2 for
recommended wrench sizes.
Figure 3-8 Loosen Locknut and Adjustment Nut
Locknut
Adjustment Nut

Midland A-22075 Series Specifications

General

Brand	Midland
Model	A-22075 Series
Category	Control Unit
Language	English