Flowserve HV 215 - Manual (Page 35)

35
Operating device BV 110
Maintenance
– continued –
Type of maintenance Time interval Activity
Check
oil level
When necessary,
during main inspection
at the latest (every 4 yrs.)
The level in the tank of the hydraulic hand pump
must be above the lower marking on the dip stick.
Check
tightness
When necessary,
during main inspection
at the latest (every 4 yrs.)
Make sure that oil cannot escape at connections,
joints and T-type screwed unions.
If necessary, retighten respective connections.
Check
valve lift
When necessary,
during main inspection
at the latest (every 4 yrs.)
With the hydraulic system closed, after approx. 6 lifts
of the hydraulic hand pump both indicating pistons
must be completely extended (height approx. 46 mm).
Check
holding pressure
When necessary,
during main inspection
at the latest (every 4 yrs.)
With the hydraulic system closed, both bottom valves
must withstand a constant pressure for two hours
without closing.
Check
rapid-action closing
When necessary,
during main inspection
at the latest (every 4 yrs.)
When disengaging the tension rope the rapid-action
closing must take place within one second and
the indicating pistons must be at the lower marking.
Check
completeness
When necessary,
during main inspection
at the latest (every 4 yrs.)
Both operating devices must have two emergency operating
screws each. These emergency operating screws must be
screwed in the rear wall.
Connecting lines
Type of maintenance Time interval Activity
Check
tightness
When necessary,
during main inspection
at the latest (every 4 yrs.)
Make sure that no oil can escape
at connecting joints and T-type screwed unions.
If necessary, retighten respective connections.