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Tech-Tip 80 Rev. B

1

Released: 7/11/2019

Tech Tips

Service Call:

Optima TC Boom Comp Adjustment

Tools Required:

Open End Wrench - 3/8”, 7/16”, 1/2”,

5/8”, 3/4”

3/8” Socket Drive Set

Allen Wrench - 3/32”

Model(s):

Optima TC with Compensation

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Summary of Contents for Optima TC

Page 1: ...0 Rev B 1 Released 7 11 2019 Tech Tips Service Call Optima TC Boom Comp Adjustment Tools Required Open End Wrench 3 8 7 16 1 2 5 8 3 4 3 8 Socket Drive Set Allen Wrench 3 32 Model s Optima TC with Com...

Page 2: ...d repair procedures are performed Do Not Perform Maintenance Unless You are trained and qualified to perform maintenance on this machine You read understand and obey o manufacturer s instructions and...

Page 3: ...ks best with two technicians when adjusting the compensation One person operates the unit from the platform while the second person observes the boom orientation and adjusts the compensation One perso...

Page 4: ...4 Released 7 11 2019 Tech Tips Step 3 Loosen the jam nut and adjust the pressure compensators on the upper and lower boom sections so that two 2 threads are showing on the adjustment plug Tighten the...

Page 5: ...the fitting Escaping fluid under pressure can penetrate skin causing serious injury Relieve pressure before disconnecting hydraulic lines Keep away from leaks and pin holes Use a piece of cardboard or...

Page 6: ...through the full travel of the boom Step 7 Observe the position of the upper boom after Step 6 If the upper boom is below horizontal Slow the lower boom down by turning the compensator adjustment coun...

Page 7: ...will speed up when past vertical If the upper boom isn t slightly above horizontal at this point it will end below horizontal when the lower boom is at full travel Be careful not to turn the compensat...

Page 8: ...ll speed through the full travel of the boom until either boom is just out of the boom rest Step 9 Observe the position of the upper boom after Step 8 If the upper boom is below horizontal Slow the up...

Page 9: ...operating from the platform The adjustment is very sensitive and may prevent the boom from coming back down after the adjustment is performed Escaping fluid under pressure can penetrate skin causing...

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