CA Elevator Mechanic case studies
CA Elevator Mechanic · Put your knowledge to work in context.
The California Elevator Mechanic certification is administered through the California Department of Industrial Relations (DIR), the state department whose Cal/OSHA division oversees workplace safety and health, and whose site hosts the elevator mechanic certification information. The credential is intended for tradespeople who install, maintain, repair, and modernize elevators, escalators, and other conveyances in California, and who need to demonstrate code-based competence to work on regulated equipment. The CA Elevator Mechanic case studies are 5 cases and about 2,874 words.
1Stop Distance Out of Tolerance After Governor Rope Replacement
A maintenance crew replaces the governor rope on a 1,600 lb (725 kg) geared traction passenger elevator in a six-story office building. Rated speed is 350 fpm (1.78 m/s).
604 words, about 3 min2Undersized Feeder Discovered During Modernization
During a controller modernization on a 2,500 lb (1,135 kg) hydraulic passenger elevator, the crew finds the existing feeder to the machine room is a 3-conductor cable with a copper equipment grounding conductor sized for the original 1970s controller. The new solid-state controller adds a soft-start unit and a larger motor starter.
630 words, about 3 min3Car Top Inspection Station Fails Intermittent Check
An inspector is performing a periodic inspection on a 3,000 lb (1,360 kg) geared traction freight elevator in a warehouse. The car top inspection station has a three-position switch (NORMAL, INSPECTION, ACCESS) and a handheld unit on a coiled cord.
525 words, about 3 min4Pit Access and Lockout During a Rope Replacement
A two-mechanic crew is replacing the suspension ropes on a 2,000 lb (900 kg) traction elevator in an occupied eight-story hotel. The pit is 5 ft 6 in (1.68 m) deep.
596 words, about 3 min5Leveling Complaint After Valve Adjustment on a Hydraulic Unit
A hydraulic passenger elevator in a four-story assisted-living facility has a persistent complaint: the car stops 1 to 2 in (25 to 50 mm) below floor level at floors 2, 3, and 4 but levels correctly at floor 1. A mechanic adjusts the lowering valve and the leveling speed, and the car now levels within 1/4 in (6 mm) at all floors when empty.
519 words, about 3 min