EKKO EK18A, Руководство по обслуживанию

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2, the horn switch contact is poor
The speaker is broken
Long horn ring
1, horn switch contact long
The reversing buzzer doesn't
work
1. The buzzer is broken
2. Poor contact of reversing switch
3. Poor line connection and plug
2.1.
5Gearbox fault causes and troubleshooting methods
Failure
Fault cause and elimination method
efficiency decrease
1. The friction plate is stuck or worn. Check for gluing,
uneven contact or warping of the friction plate
2, bearing damage. Replace the bearing
3. Check whether the lubricating oil road is blocked
oil leak
1. The sealing pad is damaged. Replace gasket
2. Rubber parts are aging or damaged. Replacement parts
3, parts damage crack. replace
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2.1.6
Multi-way valve fault causes and troubleshooting methods
Failure cause maintenance
External leakage
1, lip sealing parts wear Replace seal ring
2. The valve stem sealing part is
damaged Replace stem or disc sub assembly
3. Foreign bodies such as paint and
dust are embedded in the lip sealing
part Clean the paint and other foreign
matters embedded in the lip sealing
part, pay attention to not damage the
valve stem and sealing surface
4, O-ring damage (cut ring) Replace the O-ring seal
5. Aging and deformation of sealing
ring between valve discs Replace the new sealing ring
6. The sealing plane of the valve plate
is scratched (new valve) or there are
foreign bodies Remove foreign matter or replace
valve disc
7, valve body hole and sealing ring slot
hole different heart (new valve) Replace the valve plates
8. Back pressure of oil return exceeds
allowable value Check the loop and lower the return
oil pressure to the specified value