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MAINTENANCE
WORKING ATTACHMENT - CHECK GREASE
INJECTORS FOR PROPER OPERATION
NOTICE
There are two types of grease injectors installed "SL1" and
"SL11" injectors, see illust. (Z 19721).
Legend for illustration Z 19721
A
Injectors on bucket
B
Injectors on stick
C
Injectors on boom
(1)
Indicator stem for visual indication of injector opera-
tion
(2)
Output adjusting screw
(3)
Protection cap
(4)
Grease fitting
(5)
Distributor ledge, stick
(6)
Boom
(7)
Distributor ledge, boom
Check operation of all grease injectors (A, B and C) by visually
watching the cycle indicator stem (1) while operating the central
lubrication system manually. Stem (1) must move in and out once
a complete lubrication cycle.
If a cycle indicator (1) does not move during a lubrication cycle,
grease supply to the lubrication point of the concerned injector is
interrupted.
Refer to paragraph "CORRECTIVE ACTIONS" in this section and
to the separate manual "Lubrication Systems" in volume 2 binder
for corrective action.
Carry out same checks on the injectors for slewing connection.
4.8 EVERY 10 OPERATING HOURS OR DAILY
331
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