CONTENTS CONTENTS PAGE Introduc on ............................1 SAFETY INFORMATION Safety Alert Symbol ..........................2 Safety Informa on ..........................3-5 Safety Decals ............................6 OPERATING INSTRUCTIONS Opera on ............................... 7 SERVICE AND MAINTENANCE Grapple Fork Inspec on, Service, and Maintenance ................8 6’...
Now, with the increasing popularity of the MFWD (Mechanical Front Wheel Drive) tractors, Koyker has again met the challenge and provided the market with loaders and a achments that will allow the efficient use of these tractors in material handling.
SAFETY ALERT SYMBOL The symbol shown below is used to call your a en on to instruc ons concerning your personal safety. Watch for this symbol it points out important safety precau ons. 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.
SAFETY Improper use of a loader can cause serious injury or death. The following safety precau ons, and those given on the tractor mount installa on instruc ons, should be thoroughly understood before a emp ng to operate this machine. BEFORE OPERATING: Carefully study and understand this manual, the specific tractor mount instruc ons, and the a achment(s) manual(s).
Page 6
SAFETY CONTINUED Transport the machine load at the slowest speed possible and with the loader boom at the lowest transport posi on to avoid pping or upse ng, 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 pping or upse ng which may result in serious injury or death.
Page 7
SAFETY CONTINUED PERFORMING MAINTENANCE: Carefully review, understand, and follow the “maintenance” sec on in this owners manual before a emp ng to service loader. Lower the bucket or a achment to the ground, shut off tractor engine, and relieve pressure in the hydraulic system before adjus ng, lubrica ng, or servicing the loader.
OPERATION WARNING: Never allow anyone to operate the Grapple Fork un l they have carefully reviewed and understood this owner’s manual. OPERATING THE GRAPPLE FORK: With the forks fully opened, approach and enter the pile slowly. Adjust a achment lt as necessary. A er entering the pile, slowly close the grapple and roll a achment back.
INSPECTION, SERVICE, AND MAINTENANCE Lower the bucket to the ground, shut off tractor engine, and relieve the pressure in the hydraulic system before adjus ng, lubrica ng, or servicing the loader. Inspect all pins and grease fi ngs before each use and lubricate with heavy duty grease as indicated in this manual.
CYLINDERS IMPORTANT: Read these service ps before beginning assembly of cylinder gland or piston. 1. Keep seals clean from the me they are removed from package un l they are installed. 2. Clean the groove or bore into which the seal is to be fi ed before installing the seal. 3.
2 1/2” CYLINDER SERVICE KITS KIT NO. 662048: Complete kit with all seals needed to service one (1) 2 1/2” Cylinder. Consists of: 1 each 2 1/2” Gland “O” Ring 640865 1 each 2 1/2” Backup Ring 640381 1 each 1 1/2”...
HYDRAULIC CYLINDER PARTS LIST “2 1/2” CYLINDER PARTS LIST BUCKET CYLINDER (Part No. 672454) Part No. Descrip on Quan ty 1...... 672455 ....Tube Weldment ............1 2...... 661017 ....Locknut ................1 3...... 651458 ....Piston Assembly ............1 4......
CYLINDER GLAND SERVICE DIAGRAM Note: To install rod wiper and EZ-squeeze seal, All gland seals shown with a sec on removed fold similar to shape shown below, slip into to facilitate correct installa on. ROD WIPER gland bore and locate each in its respec ve groove.
Dakota 57039. The warranties described below are provided by Koyker to the original purchasers of new products purchased from Koyker or from an authorized Koyker Dealer (the “Products”). Under these warranties, Koyker will, at its option, repair or replace at its factory any Product covered under these warranties which is found to be defective in material and workmanship during the appli- cable warranty term or refund the purchase price paid for the defective Product.
Page 21
TORQUE SPECIFICATIONS 1. Tightening Bolts & Nuts Check all loader bolts and nuts for ghtness every 50 working hours. The movement of the loader over rough terrain may cause bolts to come under pressure and over a long period of me some slight stretching of the bolt may occur.