C5__5__Attachment_5_-_Additional_Photos_0001.pdf

This document set contains technical specifications and operational documentation for an elevator brake and hydraulic system installed at Shasta Dam, including component photographs, diagnostic logs, and maintenance manuals.

The primary components documented include: a Werthenbach hydraulic unit (Order No. KA17215, 30-liter ISO VG 46 medium capacity) manufactured in August 2020 with viscosity rating of 20-220 cSt; dual KTR-STOP S-80-F B-30 brake systems (Material No. 4503500036301613/2, 80 kN clamping force, 170-200 bar operating pressure) manufactured by KTR with primary and emergency brake capacities of 10,000 lbs at 500 speed and 10,000 lbs respectively; a Nidec MCE i-AC-01 motor control (Job No. 2020097022, Serial No. 3462736, dated 12/08/2020) with 98 HP motor output and 480 Vdc brake specifications; and an Imperial Electric emergency brake system. The diagnostic event logs capture extensive fault records from June through August 2025, predominantly documenting KTR Emergency Brake Oil Temperature Faults, KTR Machine Brake Oil Temperature Faults, and KTR Machine Brake Pressure Switch Faults, with system responses showing car stops at next destination. Operational documentation includes the Imperial Electric Gearless Elevator Motor Installation, Operation & Maintenance manual for the MCE Armstrong Elevator at Shasta Dam (Frame Size AGR-9080B, 10,000 lbs live load, 500 FPM) and Werthenbach hydraulic unit operating manual (KTR-N 447132 EN Edition 1), with iControl Messages providing detailed troubleshooting guidance for brake system faults and sensor diagnostics.