Preventive maintenance
78 810770 Operator Manual Echion
Clean the air cooler
Parts, tools, and materials
Do this task when the pump is off.
Remove the top cover and the front panel. Refer to Inspect the pump on page 39 for instructions.
Clean the air side of the cooler
1. Refer to the label on the cooler to find the cooler’s air direction.
2. Clean oil and grease off of the cooler with compressed air, pressurized water, or a steam
cleaner. Direct the cleaning stream against the cooler’s air direction.
3. After cleaning, dry the cooler.
Do this task:
every 1,000 hours.
if you receive a Fault 1: Hydraulic Fluid>65C alarm.
CAUTION
Detergent can give better cleaning results. Think about the environment when selecting and
using cleaning chemicals.
Detergent must be compatible with aluminum.
CAUTION
Protect the motor and all electronics during the cleaning procedure.
Compressed air source
Pressurized-water source or a steam cleaner
Operation or equivalent oil
Recommended materials
Aluminum-compatible detergent
Ethylene perchlorate detergent
Oil carbon detergent
CAUTION
To prevent damage, the stream of water or air must be parallel to the fin.
Point the water stream against the air direction.
CAUTION
Detergent can give better cleaning results. Think about the environment when selecting and
using cleaning chemicals.
Detergent must be compatible with aluminum.
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