TM 55-1730-229-34
AG 320A0-MME-000
TO 35C2-3-473-2
TM 1730-34/1
a. R e m o v e .
(a) Open GAUGE SHUTOFF valve 1/4
This valve is on manifold (15,
turn.
(1) Open GAUGE SHUTOFF valve 1/4
This valve is on manifold (15,
turn.
See figure 2-15, TM 55-
(b) Observe pressure indication
o n OUTPUT PRESSURE gauge (8,
1 7 3 0 - 2 2 9 - 1 2 for valve nomenclature.
If it does
It should read zero.
not, open HIGH PRESSURE BYPASS valve on
( 2 ) Observe pressure indication o n
m a n i f o l d (15) slightly and observe that
If it does not,
It should read zero.
gauge pressure reduces to zero.
open HIGH PRESSURE BYPASS valve on mani-
(c) Drain hydraulic fluid from
f o l d ( 1 5 ) s l i g h t l y a n d o b s e r v e that
d e s c r i b e d i n paragraph
gauge pressure reduces to zero.
reservoir as
3 - 9 . d of TM 55-1730-229-12.
( 3 ) Close the RETURN BLEED v a l v e
(d) Remove set screw ( 5 ,
figure
on manifold (15) if the RETURN sight
8-6) from valve knob (7).
g l a s s is to be replaced or the HIGH
PRESSURE BLEED valve of the HIGH PRES-
SURE sight glass is to be replaced.
(e) Pry pin (6) from location in
T h e s e valves and sight glasses are o n
k n o b (7) opposite the set screw (5).
manifold (15).
(f) Remove knob (7).
either PRESSURE sight
(4) Turn
(g) Turn valve (3) counterclock-
Remove packing (4
glass (18) counterclockwise to remove
wise to remove it.
and 19). Discard packing.
Ensure that packing (2 or 18) als o
it.
Discard packinq.
is removed.
of PRESSURE RELIEF
Install.
(2) Removal
b.
Valve (20).
(1) Lubricate sight glass threads
w i t h MIL-H-5606 or MIL-H-83282.
NOTE
(2) Install new packing (2 or 18).
T h i s procedure does not require
that the module be removed from
the unit.
(3) Install sight glass (1 or 17)
i n t o manifold.
(a) Open GAUGE SHUTOFF valve on
8 - 7 . MANIFOLD FRONT VALVES AND FIT-
TINGS .
m a n i f o l d 1/4 turn.
Remove Valves
and
Fittings.
(b) Observe pressure indication
o n OUTPUT PRESSURE qauge (8,
(1) Removal
If it does
It should read zero.
of
Cartridge
Valves
not, open HIGH PRESSURE BYPASS valve on
(3).
m a n i f o l d (15) slightly and observe that
NOTE
qauge pressure reduces to zero.
T h i s procedure does not require
(c) Drain hydraulic fluid from
that the module be removed from
reservoir as
described
3 - 9 . d of TM 55-1730-229-12.
unit.
8-9