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自動車アクセサリー Downeaster DED LPのPDF オーナーズ／オペレーターズ・マニュアルをオンラインで閲覧またはダウンロードできます。Downeaster DED LP 20 ページ。 Dump body scissor hoist

If malfunction of the power unit should occur, inspect all hydraulic lines and electrical connections, and check for a

good ground. Many malfunctions are caused by loose connections. Check the reservoir for proper fluid level

(approximately 1/2" from top of tank when dumper is down). If fluid must be added, use clean Dextron lll. Please

keep in mind when servicing this unit that the most common cause of system failure is dirt!!! Keep service area

clean.

In most cases a leaking relief valve is caused by dirt. Unscrewing relief valve and cleaning thoroughly can often

correct this.

1. If unit does not operate at all: Malfunction is due to switch, solenoid, motor, dead battery, corroded terminals,

or bad connections at the pump motor package.

2. If unit operates slowly and/or with low pressure: Malfunction is due to a leaking relief valve, clogged filter, worn

pump, corroded or bad battery terminals, or hydraulic fluid that is too heavy.

3. If unit is unable to hold pressure: Malfunction is due to a leaking relief valve.

Unit does not lift but pump runs.

1. Fluid low

2. System is hydra locked and needs be bled.

3. Pump pressure is set too low.

Pump motor does not run.

1. Motor solenoid is bad.

2. Connections from the battery are loose or dirty.

3. Ground connection is loose or not grounded properly.

4. Battery needs to be charged.

TROUBLE SHOOTING

Unit does not go down.

1. Down coil is bad and needs replaced.

2. Down valve cartridge needs to be replaced.

3. Connection to the down coil is bad.