User's Manual

Bulletin No: Page: 2 of
TCH-001-060
4
ESS SERVICE REPLACEMENT KIT CONTENTS
THE FOLLOWING GUIDELINES ARE FOR REFERENCE. THE ESS SERVICE REPLACEMENT KIT
CONTAINS ADDITIONAL INSTRUCTIONS.
ESS REMOVAL AND CLEANING
Refer to the illustrations below. If the compressor being serviced is under warranty, retain the removed
components for warranty consideration.
Note: The Bendix
®
BA-922
®
compressor uses two ESS assemblies. Perform steps 1 through 3 for each
ESS assembly.
1. Using a T25 Torx head screwdriver, remove the ESS cover plate screws and ESS cover plate from the
compressor cylinder head.
2. Remove the balance piston, balance piston o-ring, spring, and ESS piston assembly from the cylinder
head.
3. Thoroughly clean the cylinder head and ESS cover plate; removing all dirt, carbon, grease, gasket materials
and any foreign matter from the ESS piston cavity.
.
Spring
Balance Piston
Lubricant
ESS Piston Assembly
Gasket
Balance Piston O-ring
Gasket
Balance Piston O-ring
Spring
Balance Piston
ESS Piston Assembly
Cover Plate
Cylinder Head
ESS Kit Part Nos
Bendix Detroit Diesel
K046477 A000 130 5819