Loader Inspection, Lubrication and Maintenance ..................12 Hydraulic System Parts Schedule ....................... 13 Hydraulic System Parts Diagram ........................ 14 “80” Loader Parts Diagram ......................... 15 Parts Identification Schedule ........................16-17 Hydraulic Cylinders Information ........................ 18 1 ½” Cylinder Service Kits ......................... 19 Cylinder Parts Schedule ..........................
Features such as quality construction, ease of maintenance, and high performance operating capacities, all at a low price, make the new 80 Loader one of the most efficient loaders ever. With proper care and handling, it will provide many years of dependable service.
SAFETY ALERT SYMBOL The symbol shown below is used to call your attention to instructions concerning your personal safety. Watch for this symbol it points out important safety precautions. It means ATTENTION! Become Alert! Your Personal Safety Is Involved! Read the message that follows and be alert to the possibility of personal injury or death. DANGER: Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury.
SAFETY Improper use of a loader can cause serious injury or death. The following safety precautions, and those given on the tractor mount installation instructions, should be thoroughly understood before attempting to operate this machine. BEFORE OPERATING: Carefully study and understand this manual, the specific tractor mount instructions, and the attachment(s) manual(s).
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SAFETY CONTINUED Transport the machine load at the slowest speed possible and with the loader boom at the lowest transport position to avoid tipping or upsetting, which may result in serious injury or death. Be extremely careful when working on inclines or near loose fill, rocks, and holes as they can cause tipping or upsetting which may result in serious injury or death.
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1. Move Slowly! 2. Always use care and common sense! 3. Be careful for your own sake and for that of others! 4. Koyker Mfg. Co. includes all reasonable means for accident prevention except a safe and careful operator. FIG. 1-1...
TRACTOR & SAFETY POINTERS The use of good judgment and common sense is necessary by the operator in using this loader. The front and rear wheels should be set for the widest wheel tread to assure best stability. Use extra caution when rear wheel weights and tire ballast are added to a loader-equipped tractor.
ATTACHING THE LOADER IMPORTANT: Never attempt to attach the loader on steep grades, or surfaces which are not reasonably level. NOTE: Refer to loader mount instruction sheets (provided with mount) for correct and safe mounting of specific loader applications. Refer to hydraulic installation instructions provided with the loader mount kit for specific applications or contact dealer for correct and safe hydraulic hookup.
DETACHING THE LOADER IMPORTANT: Never attempt to detach the loader on steep grades, or surfaces which are not reasonably level. 1. Remove the loader stands from the cross tube storage location. Raise loader off the ground slightly to allow for the loader stands to be installed. Remember to use the pins and hitch pins to secure the loader stands in position.
OPERATION WARNING: Never allow anyone to operate the loader until they have carefully reviewed and understood this owners manual. FILLING THE BUCKET: Approach and enter the pile with the bucket level. Roll bucket back gradually as the loader moves through the pile. RAISING THE BUCKET: WARNING: Make sure material in bucket cannot spill out on to tractor when loader boom is...
LOADER INSPECTION, LUBRICATION, AND MAINTENANCE Lower the bucket to the ground, shut off tractor engine, and relieve the pressure in the hydraulic system before adjusting, lubricating, or servicing the loader. Inspect all pins and grease fittings before each use and lubricate with heavy duty grease as indicated in this manual.
HYDRAULIC CYLINDERS INSPECTION AND MAINTENANCE: Periodically check all hydraulic system connections to insure a leak-free condition. Also, be certain to maintain proper fluid levels in the tractor hydraulic system as in accordance with the method and frequency recommended in the tractor operator’s manual. Use only hydraulic fluids recommended for your tractor hydraulic system by the manufacturer.
1 1/2” CYLINDER SERVICE KITS KIT NO. 670084: Complete kit with all seals needed to service one (1) 1 1/2” Cylinder. Consists of: 1 each 1 1/2” Gland “O” Ring 1 each 1 1/2” Backup Ring 1 each 1” Rod Seal 1 each 1”...
CYLINDER GLAND SERVICE DIAGRAM All gland seals shown with a section Note: To install rod wiper and U-cup seal, removed to facilitate correct installation. fold similar to shape shown below, slip into ROD WIPER gland bore and locate each in its respective groove.
DINOIL VALVE HOOKUP For power beyond applications item one (655445) plug, must be removed and item two (655444) power beyond sleeve must be added. NOTE: Valve normally shipped open center. Part No. #655446 W/Joystick For closed center applications item one (655445) is replaced by item two (655444) and item one is installed in item two.
C. ITEMS COVERED SEPARATELY. The Koyker warranties do not cover any parts, components or materials that are part of the Product, or used in conjunction with the Product, that are not manufactured by Koyker. Such parts, components and materials will be subject to the warranties provided by the manufacturer, if any.