Data Plate: Says Operation Data. To Put Hydraulic Pump in Operation: Engage power divider with elver in truck cab. Then, using controls at rear of vehicle, disengage clutch and engine hydraulic pump. Engage clutch and slowly advance throttle control to wide open position. Leave throttle control in this position as pump is governor controlled and no further setting is required. Swing and Boom hoist valves have tapered cut-off and operations can be throttled down. Cable hoist line must be lowered as boom is extended to prevent fouling of sheave and hook at end of boom. Relief valve setting, 1200# Lubricate all points on crane as indicated on lubrication guide. Shims are provided in the forward roller and upper roller for taking lateral looseness out of boom. An eccentric mounting of rear lower roller takes vertical looseness out of boom.