Manitowoc National Crane NC1400H - Welding Precautions; National Crane Fitting O-Ring Part Numbers

SERVICE 1400H OPERATOR AND SERVICE MANUAL
5-8 Published 10-30-2014 Control # 040-09
Welding Precautions
Sensitive truck computer system and crane's RCL
computer system components may be damaged by welding
on the truck or crane. The following precautions should be
taken:
• Disconnect truck battery cables (positive and
negative)
• Attach welding ground lead as close as possible to
area to be welded.
National Crane Fitting O-ring Part Numbers
B
(REF)
O-RING
FACE
(REF)
O-RING
BOSS
O-RING FACE SEAL
O-RING BOSS
A
A
B
O-RING FACE SEAL FITTING SIZE O-RING BOSS
NATIONAL
CRANE
PART NO.
THREAD
SIZE
B
inches
(mm)
A
inches
(mm)
TUBE
O.D.
(mm)
MFGR'S
SIZE
CODE
A
inches
(mm)
B
inches
(mm)
THREAD
SIZE
NATIONAL
CRANE
PART NO.
**897063
**897064
“897065
**897066
“897067
**897068
**897069
**897070
9/16-18
11/16-16
13/16-16
1-14
1 3/16-12
1 7/16-12
1 11/16-12
2-12
0.07
(1,78)
0.07
(1,78)
0.07
(1,78)
0.07
(1,78)
0.07
(1,78)
0.07
(1,78)
0.07
(1,78)
0.07
(1,78)
0.301
(7,64)
0.364
(9,24)
0.489
(12,42)
0.614
(15,60)
0.739
(18,77)
0.926
(23,52)
1.176
(29,87)
1.489
(37,82)
0.250
(6,35)
0.375
(9,53)
0.500
(12.,70)
0.625
(15,88)
0.750
(19,05)
1.000
(25,40)
1.250
(31,75)
1.500
(38,10)
4
6
8
10
12
16
20
24
0.351
(8.92)
0.458
(11.63)
0.644
(16.36)
0.755
(19.18)
0.924
(23.47)
1.171
(29.74)
1.475
(37.46)
1.720
(43.69)
0.07
2
(1.83)
0.078
(1.98)
0.087
(2.21)
0.097
(2.46)
0.116
(2.95)
0.116
(2.95)
0.118
(3.00)
0.118
(3.00)
7/16-20
9/16-18
3/4-16
7/8-14
1-1/16-12
1-5/16-12
1-5/8-12
1-7/8-12
888412*
888414*
888415*
888416*
888417*
888419*
888420*
888421*
* 888422 O-Ring Boss Seal Kit (12 EA) ** 897234 O-Ring Face Seal Kit (12 EA)
Reference Only