Skyjack SJ-1000 Series Engine Powered Operating Maintenance & Parts Manual 104322-1 – PDF DOWNLOAD

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SKYJACK CORP. (USA) 3451 Swenson, St. Charles, Illinois 60174 Tel: 1-800-275-9522 Fax: (630) 262-0006 SKYJACKINC. Printe~ u.s.A_55 Campbell Road, Guelph, Ontario N1 H 1 B9 Tel: (519) 837-0888 Fax: (519) 837-3102

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104322-1

I Revised 2-1-96 j

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SECTION 1 INTRODUCTION driven by the engine provides hydraulic power to the lift cylinders. A mechanical centering device provides accurate centering of the scissor assembly with relationship to the platform and base. A safety bar located inside the lifting mechanism prevents (when properly positioned) the scissor assembly from being lowered while performing maintenance or repairs within the lifting mechanism.

PURPOSE OF EQU IPMENT The SKYJACK SJ-1 000 Series Work Platform is designed to transport and raise men and materials to overhead work areas.

USE OF THE EQU IPMENT The work platform (Fig. 1-2) is a highly maneuverable, mobile work station. Lifting and elevated driving MUST be on a flat, level, compacted surf ace. The work platform can be driven over uneven terrain only when the platform is in the fully lowered position.

BASE - The base is a rigid one-piece weldment which supports two component side trays. One tray contains hydraulic components, up/down controls, electrical components and starter battery. The other tray contains the fuel tank and storage area. The front axle has two wheels, steerable by a hydraulic cylinder and is either non-driven (2WD models) or drive shaft/gear box driven (4WD models). The rear axle is drive shaft/gear box driven and has dual parking brakes. At the front of the base, an engine coupled with a hydraulic pump provides power to the hydraulic system. An engine control panel is also located at the front of the base.

WARNINGS The operator MUST read and completely understand the safety pane I labels (Fig. 1-1) and ALL other warnings in this manual and on the work platform before operating the work platform. Compare the labels on the work platform with the labels found throughout Sections 1 and 2 of this manual. If any labels are damaged or missing, replace them immediately.

OPERATOR'S CONTROL BOX - A removable control box, mounted at the right front of the platform, contains controls for engine operation, work platform motion and emergency stopping.

DESCRIPTION

HYDRAULIC OUTRIGGERS (if equipped) - Hydraulic outriggers are mounted to the four corners of the base. Controls on the operator's control box are used to extend and retract the hydraulic outrigger cylinders.

The work platform consists of three major assemblies, the platform, lifting mechanism and base. An qperator's control box is mounted on the platform · railing. Auxiliary and emergency controls are located at the base.

SERIAL NUMBER NAMEPLATE - The serial number nameplate, located on the front of the machine, lists the model number, serial number, capacity, platform height, hydraulic pressures and voltage for the work platform. Use this information for proper operation and maintena~ce and when ordering service parts.

PLATFORM - The platform is constructed of a tubular support frame, a skid-resistant deck surface, and 431/2" high railings with 6" toe boards and mid-rails. The platform can be entered from either side thru a spring returned gate or entry chain w/latch. All models can be equipped with single or dual extension platforms.

OPTIONAL ACCESSORIES-The SKYJACK SJ-1000 Series Work Platform is designed to accept a variety of optional accessories. These are listed with Table 11. Specificatons and Features. Operati<x instructions for these options (if required) are located in Section 2 of this manual.

LIFTING MECHANISM - The lifting mechanism is constructed of formed-steel sections making up a scissor-type assembly. The scissor-type assembly is raised and lowered by single-acting hydraulic lift cylinders with holding valves. A two-stage pump,

1-1

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