PS Magazine - TB 43-PS-741

PS, The Preventative Maintenance Monthly

ISSUE 741

AUGUST 2014
PS Magazine - TB 43-PS-741 - Page 9 of 33
14
PS 741
AUG 14
Dear Half-Mast,
TM 9-2330-397-14&P comes up a little short on repair parts for the
hand brakes on our M1112 water trailer. A lot of the part numbers listed don’t
cross to NSNs and using the part number and CAGE to order sometimes
gets the wrong part.
We’ve been going to a local vendor to get the parts we need, but it seems
like the best solution would be to fix the parts info in the manual. Can you
give us some help?
SSG R.S.S.
Dear Sergeant,
As funding continues to fall, this is a problem that’s likely to continue.
But I
have good news!
Most of the hand brake parts do have NSNs.
First of all, use NSN 2530-01-396-7770 if you need the entire brake drum
assembly.
It’s listed as Item 24 in Fig 13 of the TM.
Description
Item
1
1
2
3
5
6
7
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20
21
22
23
24
NA
NA
NA
Brake assembly, right hand
Brake assembly, left hand
Pin, toggle
Cover, dust brake
Screw assembly
Plate, backing brake
Cylinder assembly,
hydraulic brake, left-hand
Cylinder assembly,
hydraulic brake, right-hand
Spacer, plate
Spring, helical, extension (orange)
Cup, hydraulic brake cylinder
Spring, helical, compression (black)
Strut, parking brake
Spring, helical, extension, parking
Spring, helical, compression (yellow)
Adjusting screw assembly, brake
Socket, brake adjusting screw
Clip, spring tension (retainer)
Washer, spring tension
Washer, flat
Lever, parking brake right-hand
Lever, parking brake left-hand
Brake shoe, front
Brake shoe, rear
Washer, flat
Screw, cap, hexagon head
Brake shoe kit, right-hand
Brake shoe kit, left-hand
Adjusting screw
42030
42031
18508
9254
23457
18496
9777
0977600
5-113
9786
9789
9791
11686278
046-130-00
9784
23323
18836
9795
9794
44869
N/A
N/A
23492
18503
MS27183-14
B1821BH038C112N
71-270
71-269
043-029-00
N/A*
N/A*
Part Number
NSN
± Note±that±Item±4±has±been±
deleted.
±It’s±no±longer±part±of±the±hand±brake±group.
± *The±left±and±right±parking±brake±levers±(Fig±20)±are±no±longer±
available±by±NSN.±However,±you±can±get±the±levers±by±ordering±the±
right±brake±shoe±kit,±NSN±2530-01-414-9317,±and±left±brake±shoe±kit,±
M1112±Water±Trailer…
Breaking Out the Brake Parts
Then use the info in this table
to order the parts that make
up the assembly from Fig
7
…
My hand brakes
are
shot!
when are
you gonna
fix
‘em?
soon as they get
the parts info
fixed in the TM.
Maybe
I should
check with
Half-Mast.
these new
brakes are
great!
later…
Half-Mast
came through
again!
741 14-15.indd
1-2
6/20/14
1:41 PM
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