SeaSpace TeraScan 1.5M, Operation And Maintenance Manual

Page: 156 / 232

140
SeaSpace Corporation
8.4.31 Cross-Level Drive Belt [12574520]
Tools:
127 mm (5") diagonal cutters
#2 Phillips screwdriver
13.9cm (5.6") tie-wraps x 2
Part Location:
The cross-level drive belt connects the cross-level pulley with the cross-level motor.
See item 8 of drawing 70909010, page 43.
See also Figure 8-16 on page 141.
Procedure:
1. Turn off power to the antenna.
2. Cut the two tie-wraps holding the drive belt to the cross-level pulley. Loosen the screw holding the
harness cable clamp to the cross-level pulley.
3. Loosen the four screws holding the cross-level motor bracket (item 23 of drawing 70909010, page 43) to
the azimuth post.
4. Slide the motor bracket towards the cross-level pulley.
5. Slide off the old belt from the cross-level pulley and unhook it from the drive sprocket of the motor.
6. Place the new drive belt on the motor sprocket.
7. Stretch the belt over the cross-level pulley.
8. Push down on the motor bracket and tighten the four screws holding the motor to the azimuth post.
9. Adjust the tension on the cross-level drive belt (loosen, adjust, tighten the four screws holding the
motor to the azimuth post).
10. Replace the tie-wraps holding the belt to the cross-level pulley. Tighten the screw holding the cable
clamp to the cross-level pulley.
11. Turn on power to the antenna.
Diagnostics After Completing Repairs:
1. Perform tests of section 5.1, page 83 , and observe the correct operation of the antenna.
2. Run sunalign and verify that the antenna is tracking the sun properly.
3. Track a pass and verify that data is received.
Drive Belt Deflection Force
Cross-Level 5mm (0.2") 1.6 kg (3.5 lb)