CONTINUOUS 

 CHANNEL 

 NCLINOMETER 

 (NO LISHT 0*1 



GRAr IINANT 



Figure M-IS. Geodyne current meter model A-101 film record. 



around siDrocket(s) and guide rollers with emul- 

 sion side ( light colored ) facing lens. 



Step 4. Insert, end of film, emulsion side in, 

 into hub slot of takeup reel. Take up a few 

 turns on the reel and snap it onto shaft. (B). 



St-ep 5. Check to see that holes in film are 

 engaged with teeth of sprocket(s), and that 

 there is no slack between sprocket (s) and take- 

 up reel. Replace O-ring drive belt, making cer- 

 tain that film is not slack, and that there is no 

 play in the drive belt. Then replace camera case 

 cover and place lens cap on the camera lens. 



Step 6. Eotate pulley on shaft. (B) 10 to 20 

 revolutions in counterclockwise direction to 

 place unexposed film behind camera lens. 



Step 7. Replace camera case on instiniment 

 assembly, making sure that drive gear properly 

 engages worm gear on motor with no chance of 

 slipping or binding. Secure with thumbscrews. 

 NOTE : To be sure camera will remain secure 

 during operation, tighten lower screws first. 

 Colder temperatures require that screws be vei"y 

 tight. 



M-14 



Step 8. Check that drive gear is properly 

 aligned and that film is threaded properly. With 

 a pencil, mark the position of pulley (A) on the 

 camera; set toggle switch on Continuous, re- 

 move on-off switch magnet, and operate meter 

 for approximately 3 minutes. The pulley should 

 advance in a counterclockwise direction, O-ring 

 belt should have good tension, and j^ulleys 

 should not have play. 



Step 9. The A-101 camera lens is preset. DO 

 NOT ATTEMPT FIELD ADJUSTMENT. 



7. Closing the current meter. — When battery 

 is tested and installed, fresh film is loaded, and 

 insi^ection is completed, the meter should be 

 closed. 



Step 1. Remove the lens cap from the camera 

 and tape it to the platform under the timer. 



Ste}) 2. Set toggle switch to Interval. The 

 meter will now record for a data block each time 

 a lobe on the timer activates the system. 



Step 3. Clean dust from camera lens and 

 data light row platen (use lens-cleaning tissue), 



Change 1—1970 



