S E C T I O N E I G H T
8-4
REPLACING THE READ LAMP
(PART NUMBER 880-07)
NOTICE:
New lamp may appear bent,
DO NOT
attempt to straighten.
1. Remove four screws 1 securing the bottom cover 2 with a phillips-head
screwdriver. Leave bottom cover 2 on unit.
2. Holding top 3 and bottom 2 covers in place, turn unit over so it rests on
the bottom cover 2. Remove top cover 3.
3. Locate optics assembly 4 and remove screw and washer 5 in the middle
of lamp assembly P.C.B. 6.
4. Lift out old lamp assembly 6 and discard.
5. Install new lamp assembly 6 by carefully inserting lamp 6 into housing 7
and lamp pins 8 into lamp connector. Press down gently to make sure
connector pins 8 are properly seated.
6. Secure lamp screw and washer 5 in place.
7. Carefully clean any dust or plastic chips off circuit board and top cover 3
using moisture free compressed air. Place top cover back on instrument.
8. Holding top and bottom covers in place, turn unit over so that it rests on
top cover 3.
9. Remove bottom cover 2. Clean circuit board and bottom cover 2 with
compressed air, then place bottom cover 2 back on instrument.
10. Secure bottom cover 2 to instrument with four screws 1 using a phillips-
head screwdriver.
3
5
6
8
7
2
1
4
Summary of Contents for 891
Page 1: ...891 892 A U T O M A T I C S T R I P R E A D I N G D E N S I T O M E T E R S Operation Manual...
Page 2: ......
Page 4: ......
Page 10: ...I N T R O D U C T I O N vi...
Page 34: ...S E C T I O N T H R E E 3 8...
Page 46: ...S E C T I O N F O U R 4 12...
Page 52: ...S E C T I O N F I V E 5 6...
Page 58: ...S E C T I O N S I X 6 6...
Page 60: ...S E C T I O N S E V E N 7 2...
Page 66: ...S E C T I O N E I G H T 8 6...
Page 68: ...A P P E N D I X A A 2...
Page 73: ...D 1 A P P E N D I X D Parts List and Packaging Drawings Parts List...
Page 74: ...A P P E N D I X D D 2 Packaging Drawing...
Page 78: ...A P P E N D I X E E 4...
Page 79: ......
