Manitowoc 3900W - Page 121

MANITOWOC ENGINEERING CO.
A D,.,I,o~ ot Ihe ,~onilo~o¢ Compeny, I~
I~1 QUICK RELEASE VALVE
I~'~i SHUTTLE VALVE
I[--]~ AIR CYLINDER
FUNCTION
BOOM * DOWN
TRAVEL
SWING LEEr
SWING RIGHT
TRAVEL REVERSE
BOOM * UP
MOBELS
3000W & 3800
3~. 3~ow.
4000W
UP
FORWARD REVERSE
LEFT
NOTE: CONTROL VALVE AIR LINE:
RIGHT
FORWARD
DOWN
PORTS 1 & 2
AS SHOWN FOR 30OOW & 3600. REVERSE
THESE TWO LINES FOR 3900, 3900W &
I
IS
I,
iol
SEE AIR SUPPLY }J
SCHEMATIC
4000W.
BOOM HOIST BRAKE *
INTERLOCK VALVE
OUT I IN
BRAKE
I .MA'NOR'VE, SHA
-~___ LEFT [~ RIGHT
CLUTCH " CLUTCH
I I
[ ,
~_~ REARCONV.
48462
USED ON ASSM.
Ill
+--~l~l II--I
AIR AUTO* ..~L~
BOOM STOP
(SEE NOTE)
~_ POWER PLANT
* MACH'S. WITH STD. BOOM HOIST ONLY
MODELS 300W, 3600, 3900W & 4000W
MAIN DRIVE
SHAFT CONTROL
BY-PASS
VALVE
....
~OUT
\
OPTIONAL
MINIMUM
BOOM STOP*
(SEE NOTE)
t.,,O
._.J
10 6-71 E
9-7-71 E
4-16-71 "'- z
12-22-70 ~ o °
6312-1
395143