Applied Product Catalog 2016 2017 Page i30 Applied Product Catalog 2016/2017

i30 Call your local Applied service center to order at 1-866-351-3464 or visit us online at Applied.com Load Drops with Control Valve in Neutral Position Possible Causes: Remedy: Leaking or broken oil lines from control valve to cylinder. Check for leaks. Tighten or replace lines. Examine mating surfaces on couplers for irregularities. Oil leaking past cylinder packings or O-rings. Replace worn parts. If wear is caused by contamination, clean hydraulic system and determine the contamination source. Oil leaking past control valve or relief valves. Clean or replace valves. Wear may be caused by contamination. Clean hydraulic system and determine the contamination source. Oil leaking past load holding valve. Check for proper adjustment. Remove and replace cartridge with spare. (Support boom before removing cartridge.) Do not attempt to repair. Control lever not centering when released. Check linkage for binding. Make sure valve is properly adjusted and has no broken or binding parts. Control Valve Sticks or Works Hard Possible Causes: Remedy: Misalignment or seizing of control linkage. Correct misalignment. Lubricate linkage joints. Tie bolts too tight (on valve stacks). Use manufacturer's recommendation to adjust tie bolt torque. Valve broken or scored internally. Repair broken or scored parts. Locate source of contamination that caused scoring. Control Valve Leaks Oil Possible Causes: Remedy: Tie bolts too loose (on valve stacks). Use manufacturer's recommendation to adjust tie bolt torque. Worn or damaged O-rings. Replace O-rings, especially between valve stacks. If contamination has caused O-rings to wear, clean system and look for source of contamination. Broken valve parts. If valve is cracked, look for a cause like too much pressure or pipe fittings that are over tightened. Cylinders Leak Oil Possible Causes: Remedy: Damaged cylinder barrel. Replace cylinder barrel. Correct cause of barrel damage. Rod seal leaking. Replace seal. If contamination caused seal to wear, look for source. Wear may be caused by external as well as internal contaminants. Check piston rod for scratches or misalignment. Loose parts. Tighten parts until leakage has stopped. Piston rod damaged. Check rod for nicks or scratches that could cause seal damage or allow oil leakage. Replace defective rods. Cylinders Lower when Control Valve is in "Slow Raise" Position Possible Causes: Remedy: Damaged check valve in lift circuit. Repair or replace check valve. Leaking cylinder packing. Replace packing. Check oil for contamination that could cause wear. Check alignment of cylinder. Leaking lines or fittings to cylinder. Check and tighten. Examine mating surfaces on couplers for irregularities. Fluid Power General Troubleshooting

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