EKO INSTRUMENTS CO., LTD. MS-56 Pyrheliometer Manual Ver.5
Pg. 10
2. How to Replace the Mounting Plate (Optional)
When installing MS-56 on EKO Sun Tracker STR-21G/22G, 3-hole mounting plate is required.
If you already have EKO Sun Tracker purchased before July 2011, you need to purchase the
“3-hole mounting
plate
” (optional part) separately for installing MS-56.
If the 3-hole mounting plate is already installed, skip this section and go to [3. Electrical Connection].
「
Prepare the following tool for installation
」
:
One Allen Key 2.5 (for M3 screw).
[How to Replace]
(1) Remove the 4 fixing screws (M3 x 15mm) which are securing the X/Y-Axis adjustment unit on the Sun
Tracker Arm (see above image)
*Be careful not to lose the removed screws!
Screws for X/Y-Axis Adjustment Unit
(M3 x 15mm in 4 places)
WARNING: DO NOT TOUCH!!
Do Not loosen these screws!
If these screws are loosen, the Sun Sensor
position may shift and accurate measurement
cannot be taken.
Sun Sensor
Fixing Screws (3 places)
Sun Sensor Holder
Fixing Screws (2 places)
Mounting Plate
Sun Tracker Arm
Sun Tracker Arm Fixing
Screws (4 places)
