Abstract: A system for ensuring that hydraulic valves are in an unactuated position during starting of an engine. An ignition switch, when suitably positioned, delivers a starting signal to a starting motor operationally coupled to the vehicle engine. A relay system responsive to the starting signal energizes a solenoid structure which permits the valves to move to their unactuated positions or, alternatively, a relay which obstructs the starting signal to the starting motor in response to a signal from a switch network indicating at least one valve is in an actuated position.

Abstract: It is conventional practice to rigidly secure a hood assembly on an engine enclosure for a construction vehicle. The connection joints are thus subjected to undue bending stresses. This invention solves the above stress problem by attaching one end (24) of a hood assembly (14) on an engine enclosure (11) by a mounting arrangement (23) which permits limited fore and aft and cushioned upward movements of the hood assembly (14) relative to the engine enclosure (11).

Abstract: A foam seal and insulator for sealing a compartment in the control console and attenuating sound in the compartment which contains a plurality of actuating levers for controlling the operation of the vehicle with actuating cables extending through the insulator to control the operation of the vehicle.

Abstract: A protective frame for a vehicle for protecting the operator in the event of vehicle rollover. A protective frame having tubular uprights with a plurality of reinforcing members of variable length extending from the base upwardly internally of said tubular uprights to stiffen the frame.