The maintenance time for hand cranked hoists depends on the type of inspection/task and frequency as guided by industry standards (e.g., ASME B30.16, OSHA), manufacturer recommendations, and operational conditions. Here's a breakdown:

1. Daily/Pre-Operational Checks (5–15 minutes)

Tasks: Visual/audible inspection of critical components (e.g., hooks, load chains, hand chain, brakes), checking for damage, proper lubrication, and functional testing (e.g., lifting/lowering a small load to test brakes).

Frequency: At the start of each shift or when the hoist is first used.

Purpose: Early detection of issues like wear, misalignment, or brake slippage.

2. Periodic Inspections (1–4 hours, depending on scope)

Frequency:

Light/Moderate Use: Monthly to quarterly.

Heavy Use: Every 250 hours of operation or at least quarterly.

Inactive Hoists: After 1 month or 1 year of disuse (inspection required before reuse).

Tasks: Detailed examination by qualified personnel, including:

Load chain/wear checks (nicks, gouges, deformation).

Brake system testing (no slippage under load).

Hook inspection (cracks, deformation, latch functionality).

Lubrication of moving parts (chains, gears).

Verification of control mechanisms (e.g., hand chain direction agreement with motion).

Documentation: Records of inspections and repairs must be maintained for accountability.

3. Annual/Major Maintenance (4–8+ hours)

Tasks: Comprehensive overhaul, including:

Disassembly and cleaning of internal components (gears, bearings).

Replacement of worn parts (chains, brakes, hooks).

Load testing (e.g., 10–25% of rated capacity to check brake hold).

Electrical/mechanical system checks (if applicable).

Compliance: Must align with ASME B30.16, OSHA, and manufacturer guidelines. Critical for safety and extending equipment lifespan.

Key Factors Influencing Time

Usage Intensity: Frequent use accelerates wear, requiring more frequent checks.

Environment: Dusty, humid, or corrosive environments may necessitate additional cleaning/lubrication.

Manufacturer Specifications: Specific intervals for lubrication, part replacement, and testing vary by model.

Operator Training: Properly trained personnel reduce inspection/repair time by identifying issues efficiently.

Safety & Compliance

Lockout/Tagout (LOTO): Required before maintenance (per ANSI Z244.1/OSHA) to de-energize and prevent accidental operation.

Record-Keeping: Mandatory for audits and tracking maintenance history.

Professional Involvement: Complex repairs or annual inspections often require certified technicians.

The main equipment produced by Hebei Makita: stage electric hoist, electric chian hoist, wire rope electric hoist，Hand chain hoist, lever hoist, pneumatic hoist and other lifting equipment