JLG 1250AJP Parts Manual User Manual
Page 279
SECTION 5 - CYLINDER
3121172
1250AJP
279
FIGURE 5-9. TELESCOPE CYLINDER ASSEMBLY (MAIN BOOM)
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
Ref
TELESCOPE CYLINDER ASSEMBLY
1684319
1
Telescope Cylinder Assembly (Use p/n 1001175888) (Prior to
SN 0300188193)
F
1001175888
1
Telescope Cylinder Assembly (SN 0300188193 to Present)
B
1
0100011
AR
Compound, Locking
2
0630535
3
Capscrew
3
0641606
6
Bolt 3/8in-16NC x 3/4in
4
0641607
2
Bolt 3/8in-16NC x 7/8in
5
0961897
1
Bushing, Tapered
6
Ref
Head, Cylinder Options:
1683077
1
Head, Cylinder (Prior to SN 0300188193)
1001175884
1
Head, Cylinder (SN 0300188193 to Present)
7
1684323
1
Barrel Weldment
8
1684325
1
Rod Weldment
9
2220885
1
Plug, O-Ring
10
2220886
1
Plug, O-Ring
11
3340982
2
Pad, Wear
12
3480266
1
Piston
13
3574580
1
Plate, Wear Pad Mount
14
3574586
1
Plate, Tele Foot
15
3931656
4
Capscrew 3/8in-16NC x 3-1/2in
16
Ref
Capscrew Options:
16
3931724
AR
Capscrew 7/16in-14NC x 1-1/2in (Prior to SN 0300188193)
16
3931740
AR
Capscrew, 7/16in-14NC x 2-1/2in (SN 0300188193 to Present)
17
4568808
2
Spacer
18
4641288
1
Valve Assembly
18A
7011372
1
Cartridge
18A
2900789
1
Seal Kit - 7011372 Cartridge Valve
18B
7011370
1
Cartridge
18B
7011371
1
Seal Kit - 7011370 Cartridge Valve
18C
7011369
1
Cartridge
18C
7011311
1
Seal Kit - 7011369 Cartridge Valve
18D
7011368
3
Cartridge
18D
7011351
3
Seal Kit - 7011368 Cartridge Valve (1 per Cartridge)
20
2111010
1
Fitting, Straight
21
2111212
2
Fitting, Straight
22
1001138812
AR
Oil, Upper Boom Assembly (SN 0300188193 to Present)
23
1001177348
1
Kit, Service (for 1001175884 Cylinder Head replacement)
101
Ref
Ring, Wear Options:
101
2902284
2
Ring, Wear (Prior to SN 0300188193)
101
1001175887
2
Ring, Wear (SN 0300188193 to Present)
102
Ref
Ring, Back-Up Options:
102
2902284
1
Ring, Back-Up (Prior to SN 0300188193)
102
1001175887
1
Ring, Back-Up (SN 0300188193 to Present)
103
Ref
Ring, Back-Up Options
103
2902284
2
Ring, Back-Up (Prior to SN 0300188193)
103
1001175887
2
Ring, Back-Up (SN 0300188193 to Present)
104
Ref
Ring, Wear Options:
104
2902284
1
Ring, Wear (Prior to SN 0300188193)
104
1001175887
1
Ring, Wear (SN 0300188193 to Present)