ETS-Lindgren 2171B Boresight Antenna Tower - Manual (Page 14)

14 | Maintenance
Maintenance Schedule
E VERY T HREE M ONTHS
 Inspect belt for wear, tension, and cracking.
 Check all screws and bolts to confirm that are tight per assembly instructions.

Inspect bolts and hardware for breakage.
E VERY S IX M ONTHS
 Check connecting control and all cables for degradation from environment
and use. If necessary, replace per safety per local electrical codes.
E VERY T WELVE M ONTHS

Use high-grade silicone grease on all carrier rollers.
Replacement and Optional Parts
ETS-Lindgren may substitute a similar part or new part number with the same
functionality for another part/part number. Contact ETS-Lindgren for questions
about part numbers and ordering parts.
Following are the part numbers for ordering replacement or optional parts for the
Model 2171B/2170B.
Part Description Part Number
Boresight links
3-meter link
5-meter link
10-meter link
119612
119613
119614
Non-boresight link
1 1/2-in link
1-in link
Cam knob
Cam lock knob
118050
118051
118052
118059
Offset boom, 2171B/2170B 118617
Timing Belt (33 ft required) 880393
Fuse, 5 x 20mm 3A Slow 480029