Blohm + Voss Oil Tools 613000-Y-H-F, Original Instructions Manual

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Bushing wear/bore code check
Wear of Equipment
Normal wear of bushings, bore and elevator ears caused by usage will eventually
reduce the load capacity of elevators.
The existence of cracks or the appearance of defects can indicate severe
deterioration and even failures. Prompt attention is required either to remove the
elevator from service immediately or to undertake appropriate repair.
A wear condition in its early stages is common. Frequently, it results in a tool joint
sticking to the elevator.
Elevators showing hammer marks around the top of the bore should be closely
examined to determine whether it is the elevator, the tool joint or both are faulty.
To indentify the conditions of the 18° Elevator taper gauges are available for all
B+V Elevators (P/N 600018).
A set of gauges consists of an 18° gauge (GOOD) and a 15° gauge (BAD).
How to check the bushing the correct way
1. Fit the gauge to the inner bore of the bushing or the bore.
2. Push the gauge against the bushing and start to move the gauge downwards
until the chamfer touched the 18° shoulder or to the bore.
3. Check the result as follows:
Check of results
1. Using the GOOD gauge: If the gauge sits directly on the bushing without
showing any clearance between gauge and bushing, the bushing is OK.
2. If the gauge shows space between the gauge and the bushing, you have to
check with the second gauge.
3. Using the BAD 15° gauge: If the gauge shows any clearance between gauge
and bushing, the bushing is OK.
4. If the gauge sits directly on the bushing without showing any space between
gauge and bushing, take the elevator out of service.
WARNING: I
f the tApeR Is less thAN
15°
tAke the elevAtoR out of seRvIce oR exchANGe the
bushING
.
I
f the tApeR Is betWeeN
18°
ANd
15°,
Reduce the elevAtoRs loAd cApAcIty to
90%. N
eveR use
the elevAtoR WIthout A bushING
.
1.
1.
2.
Blohm+Voss 18° and 15°
gauge (P/N 600018)
Gap or no gap?