microsoft — Installation and Maintenance Manual HG170 — Service Guide (EN)

Scraper Blade Lifting Control Pipeline 1. Left Control Valve (4 ways) 2. Right Control Valve (4 ways) 3. Left Hydraulic Control Check Valve (For Lifting) 4. Right Hydraulic Control Check Valve (For Lifting) 5. Scraper Blade Lifting Cylinder 20-97