SURELOK ® Parts List
TRAILER PARTS CATALOG
SURELOK ® AIR CONTROL KITS
SYSTEM
ITEM DESCRIPTION
PART NO.
QTY.
Manual Bypass – allows you to completely bypass SURELOK ® , meaning the legs are disengaged and not functioning. 1 3-WAY BALL VALVE (Not shown) VS-22535 1 Manual Bypass with Dump – allows you to completely bypass SURELOK and fully exhaust the trailer’s air suspension. 2 3-WAY BALL VALVE VS-22535 1 3 3-WAY AIR PILOTED VALVE (Not shown) VS-23588 1 4 2-WAY CHECK VALVE (Not shown) VS-24988 1 Specialized Auto Dump – AKSL0001 – Allows SURELOK to engage, then exhausts the trailer’s air suspension to rest the SURELOK legs on the suspension beams. 5 3-WAY PILOT VALVE (Not shown) VS-24053 1 6 CHOKE (Not shown) A-27314-1 1 1/8" NPT Manual Bypass with Specialized Auto Dump – Allows you to completely bypass SURELOK, OR allows SURELOK to engage, then exhausts the trailer’s air suspension to rest the SURELOK legs on the suspension beams. 7 3-WAY BALL VALVE (Not shown) VS-22535 1
SURELOK ®
SURELOK ®
BYPASS & DUMP
NORMAL
BYPASS
NORMAL
RESERVOIR
2
PRESSURE PROTECTION VALVE
EMERGENCY AIR
COMMON PORT
SURELOK ACTUATOR
398
Trailer Commercial Vehicle Systems
Refer to Hendrickson Literature No. L1055 - SURELOK ® Parts List
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