Service instructions for replacing hardware kit parts on Stearns Series 87,000 disc brakes.
This document provides service instructions for hardware kits used with Stearns Series 87,000 disc brakes. It covers replacement of listed parts such as the manual release knob, housing nuts, housing, wrap spring stop, solenoid lever stop, support plate hardware, housing studs, release rod, release spring, retainer, housing grommet, and pipe plug.
It also includes safety cautions for electrical disconnection, hot surfaces, dust handling, and securing loads before disassembly. Procedures cover solenoid air gap adjustment, support plate reassembly, and use of genuine Stearns parts.
| Solenoid air gap setting | 13/16 in to 15/16 in |
|---|---|
| Support plate screw torque | 50 in-lbs |
The correct solenoid air gap setting is 13/16 in to 15/16 in.
Torque the support plate screws to 50 in-lbs.
For proper performance and operation, only genuine Stearns parts should be used for repairs and replacements.
Do not blow off dust with an air hose; wear a filtered mask or respirator and use a vacuum cleaner or soft brush, collecting dust in a sealable container.