Quantcast Figure 2-2. Trouble Shooting Chart

 

Click here to make tpub.com your Home Page

Page Title: Figure 2-2. Trouble Shooting Chart
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
LIFTING PROCEDURE
Up
TM-55-1730-221-12 10 Ton Hydraulic Aircraft Hand Jack Type A-6 Part No. 53D22004 Manual
Next
Figure 2-2. Trouble Shooting Chart (Cont)
T.O. 35A2-2-39-11
TM 55-1730-221-12
TROUBLE
PROBABLE CAUSE
REMEDY
Remove screw (22). Adjust
By-pass valve improperly
R a m s (33, 39, 44) fail to
adjusted.
screw (15) as outlined in para-
l i f t when jack is operated,
graphs 3-11a through 3-11c.
o r jack fails to lift rated
l o a d . (See figure 3-1.)
Remove screws (15, 22). Re-
Broken by-pass valve spring
(Continued)
(16).
move, inspect, and if necessary
replace spring (16). Install
s c r e w (15) and adjust as out-
through 3-11c. Install screw
(22).
R a m s will not fully elevate.
L o w fluid level.
I n s p e c t and fill to correct fluid
( S e e figure 3-1.)
level if necessary (refer to
Leaking discharge valve.
Remove valve assembly (14).
I n s p e c t ball (20) and ball seat-
i n g surfaces of valve body (21).
R e p l a c e ball (20) if defective;
reseat if necessary (refer to
Remove rams (33, 39, 44).
Rams will not support load.
Oil leaks around rams
(33, 39, 44).
Replace packing retainers (37,
( S e e figure 3-1.)
4 3 , 48), and packings (36, 42,
47). Inspect bearings (35, 41,
4 6 ) and bushing (31) for dam-
a g e d grooving or uneven wear.
Replace defective parts.
Leaking discharge valve.
Remove valve assembly (14).
I n s p e c t ball (20) and ball seat-
i n g surfaces of valve body (21).
R e p l a c e ball (20) if defective.
Reseat if necessary (refer to
Leaking release valve ball
Remove, inspect and if neces-
( 2 7 ) or seat.
sary replace ball (27). Inspect
ball seating surface in base
assembly (56) and reseat if
necessary (refer to paragraph
Incomplete closure of
Tighten release valve (25) se-
Rams rise and fall with
release valve (25).
curely.
each stroke. (See figure
Leaking discharge valve.
Remove valve assembly (14).
I n s p e c t ball (20) and ball seat-
i n g surfaces of valve body (21).
Replace ball if defective. Re-
seat if necessary (refer to
V a c u u m created in res-
Unscrew vent assembly (52)
Pump inoperative or dif-
ficult to operate. (See
e r v o i r due to closed vent
vent screw 2 turns.
assembly (52) vent screw.
Figure 2-2. Trouble Shooting Chart (Continued)
2-3

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc.