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Timeline part 1 of events Hydraulic Spray Technicians (0700-0900 Safety…
Timeline part 1 of events Hydraulic Spray Technicians
0700-0900 Safety Meeting and POD where tasks were assigned by acting lead technician.
0900 JSA LOTO Documents completed/ No Walkthrough of W.I At this time.
1000 Techncicians A and B (A vestas techncian and Contractor Techncian Mobilized to perform work on 3 seperate towers / 3 jobs.
1010 Tech a+ B Proceeded to T 79 to add Gear Oil.
1100 Techncians arrived at T22 to perform removal of balluff.
1115 Techs arrive uptower-Techs reviewed W.I. 959302 V09 replacement of Pitch Cylinder.
1155 Tech A performed LOTO in spinner
Performed LOTO F35 Needles/Station, Needles pitch block, Rotor Pinned
1200 Techs snacked, did not stop for lunch
Locked out valves in Nacelle
Tech A installed Manometer hose on C Blade (4t02)
Air came out of Test port
Moved Manometer-4T03 and small amount of oil came out dripping.
Moved to A-Blade repeated steps, Air came out of 4T02, No OIl present on 4T03
Moved to B-Blade with simliar results.
Timeline part 2 of events Hydraulic Spray Technicians
1230 Tech B passed out tools and came into Spinner.
Techs set up pig mat.
Tech a worked from Hub support.
Tech A used crescent wrench on Balluff as it was not easily achived by hand.
Tech continued to use Crescent wrench to turn, at last thread the tech fealt a "pop" and oil was reales in a spray with relatively low pressure -shower.
Both technicinas received a small shower of oil with some dripping into eyes.
Techncians were wearing safety glasses- Not gloggles.
The baluff at the same time poppped out.
Techs secured the area, procedded to climb out and flush eyes-as per SDS
1255 Tech A reported incident to Manager/and Workplace Medical was consulted.