
PARTS LIST
GH-1340W/1440W Lathes
JET EQUIPMENT & TOOLS, INC. P.O. BOX 1349 253-351-6000
AWMH Company Auburn, WA98071-1349 Fax 253-939-8001
www.jettools.com e-mail jet@jettools.com M-321810-1 6/00

Table of Contents
Table of Contents........................................................................................................................ 2
Headstock Assembly I..............................................................................................................3-5
Headstock Assembly II.............................................................................................................6-7
Headstock Assembly III ..........................................................................................................8-10
Gearbox Assembly I.............................................................................................................11-12
Gearbox Assembly II............................................................................................................13-14
Gearbox Assembly III...........................................................................................................15-17
Apron Assembly I .................................................................................................................18-19
Apron Assembly II ................................................................................................................20-21
Carriage & Cross Slide Assembly.........................................................................................22-24
Four Way Tool Post & Compound Slide Assembly................................................................. 25-26
Tailstock Assembly...............................................................................................................27-28
Bed Assembly......................................................................................................................29-31
Stand Assem bly ...................................................................................................................32-33
End Gear Assembly..............................................................................................................34-35
FollowRest ...............................................................................................................................36
Thread Dial Assembly................................................................................................................37
Steady Rest..........................................................................................................................38-39
Coolant & Work Light Assembly............................................................................................40-41
Electrical Components............................................................................................................... 42
W SeriesLathes Electrical Schem atic Symbol Glossary.............................................................43
Wiring Diagram 1 Phase............................................................................................................44
Wiring Diagram 3 Phase............................................................................................................45

Headstock Assembly I

Headstock Assembly I
Index Part
No. No. Description Size Quantity
1..........GH1340A-04-06........................Plug.......................................... ...................................1
2..........GH1440W-04-60.......................Headstock Cover ...................... ................................... 1
3..........TS-1503081..............................Hex Socket Cap Screw.............M6x35.........................6
4..........GH1440W-04-61.......................Gasket...................................... ...................................1
5..........GB3452.1-14X2.65 ...................O-Ring......................................14x2.65.......................8
6..........GH1440W-04-38.......................Gear.........................................38T.............................1
7..........GH1440W-04-41.......................Shaft......................................... ...................................3
8..........GB75-M6x10.............................Set Screw.................................M6x10.........................3
9..........GB77-M6x6...............................Set Screw.................................M6x6...........................3
10........GH1440W-04-37.......................Gear .........................................48T............................. 1
11........GH1440W-04-36.......................Gear.........................................43T.............................1
12........GB77-M12x12...........................Set Screw.................................M12x12.......................2
13........GH1440W-04-43.......................Shift Arm................................... ...................................1
14........GB879-5X30.............................Spring Pin.................................5x30............................7
15........GB894.2-12 ..............................Retainer Ring............................12...............................3
16........GH1440W-04-45.......................Shift Fork.................................. ...................................1
17........GH1440W-04-35.......................Shift Arm................................... ...................................2
18........GH1440W-04-44.......................Gear Shifter .............................. ...................................2
19........GH1440W-04-10.......................Plug.......................................... ...................................3
20........GB1096-5X16...........................Key...........................................5x16............................4
21........GB308-SB8...............................Steel Ball...................................8.................................5
22........C6240-20018............................Spring....................................... ...................................5
23........GH1440W-04-49.......................Handle Body ............................. ...................................2
24........GB4141.14-BM10X50...............Handle Cap............................... ...................................5
25........GH1440W-04-34.......................Handle Lever ............................ ...................................5
26........C6240-20001............................Lever NamePlate..................... ...................................3
27........TS-1531012..............................Pan Head Machine Screw.........M3x6.........................14
28........GH1440W-04-59.......................Screw ....................................... ...................................3
29........TS-1503031..............................Screw .......................................M6x12.........................6
30........GH1440W-04-50.......................Position Plate............................ ...................................2
31........GB3452.9-19X2.65 ...................O-Ring......................................19x2.65.......................3
32........GH1440W-04-40.......................Gear Shaft................................22T.............................1
33........GH1440W-04-42.......................Gear Shaft................................17T.............................1
34........GH1440W-04-51.......................Position Plate............................ ...................................1
35........GH1440W-04-48.......................Handle Body ............................. ...................................1
36........TS-1506041..............................Hex Socket Cap Screw.............M12x35.......................4
37........GB5782-M10x40.......................Alignment Bolt...........................M10x40.......................2
38........GH1440W-04-62.......................Alignment Bolt........................... ...................................2
39........GH1440W-04-63.......................Alignment Block........................ ...................................1
40........GB1160.1-89.............................Oil SightGlass..........................20...............................1
41........GH1440W-04-01.......................Headstock Casting (14”)............ ...................................1
............GH1340W-04-01.......................Headstock Casting (13”)............ ...................................1
42........05-75........................................Drain Plug................................. ...................................1
43........GH1440W-04-39.......................Gear Shaft................................27T.............................1
44........GH1440W-04-47.......................Shaft Fork................................. ...................................1
45........GH1440W-04-36.......................Shifting Crank........................... ...................................1
46........GH1440W-04-71.......................Shaft Fork................................. ...................................1
47........GH1440W-04-56.......................Shifting Crank........................... ...................................1
48........GB308-SB9...............................Steel Ball...................................9.................................2
49........GH1440W-49............................Spring....................................... ...................................2
50........GH1440W-04-52.......................Shaft......................................... ...................................1

Index Part
No. No. Description Size Quantity
51........GH1440W-04-54.......................Shaft......................................... ...................................1
52........GH1440W-04-53.......................Shaft......................................... ...................................1
53........GB1096-4X10...........................Key...........................................4x10............................1
54........GB3452.9-10.6X2.65 ................O-Ring......................................10.6x2.65....................1
55........GH1440W-04-55.......................Collar........................................ ...................................1
56........TS-1503031..............................Hex Socket Cap Screw.............M6x12....................... 18
57........GH1440W-04-57.......................Collar........................................ ...................................1
58........GH1440W-04-58.......................Handle Body ............................. ...................................1
59........04-62........................................Washer..................................... ...................................1
60........04-90........................................IndicatorDisk............................ ...................................1
142......GB3452.9-25X2.65 ...................O-Ring......................................25x2.65.......................3
159......GH1340W-04-02.......................Name Plate............................... ................................... 1
............GH1440W-04-02.......................Name Plate............................... ...................................1
............GH-1340W-3J.B.S ....................3-Jaw Chuck (not shown) .......... ...................................1
............GH-1340W-4J.B.S ....................4-Jaw Chuck (not shown) .......... ...................................1

Headstock Assembly II

Headstock Assembly II
Index Part
No. No. Description Size Quantity
56........TS-1503031..............................Hex Socket Cap Screw.............M6x12....................... 18
61........TS-1504041..............................Hex Socket Cap Screw.............M8x20.........................1
62........04-12........................................Washer..................................... ...................................1
63........04-11 ........................................Pulley........................................ ...................................1
64........11-10 ........................................Break Block............................... ...................................1
65........GB879-5X16.............................Pin............................................5x16............................1
66........11-09 ........................................Brake Actuator Shaft................. ................................... 1
67........GB894.2-12 ..............................Retainer Ring............................12...............................1
68........GB9877.1-SD25X45X7 .............Spacer ......................................SD25x45x7.................1
69........GB117-A6X26...........................Pin............................................A6x26.........................2
70........GB894.2-8 ................................Retainer Ring............................8.................................1
71........11-11.........................................Brake Retainer Stud.................. ...................................1
72........04-13........................................Cover........................................ ...................................1
73........04-14........................................Gasket...................................... ...................................1
74........GB894.2-25 ..............................Retainer Ring............................25...............................6
75........GB/T276-6205..........................Ball Bearing..............................6205/p5 ...................... 1
76........GB1096-8X20...........................Key...........................................8x20............................2
77........GH1440W-04-03.......................Shaft......................................... ...................................1
78........GB1096-8X72...........................Key...........................................8x72............................1
79........GH1440W-04-04.......................Gear .........................................50T............................. 1
80........GH1440W-04-05.......................Gear .........................................37T............................. 1
81........GH1440W-04-06.......................Gear .........................................43T............................. 1
82........GB/T276-6204..........................Ball Bearing..............................6204/p5 ...................... 5
83........GH1440W-04-17.......................Washer..................................... ...................................1
84........GH1440W-04-12.......................Gear .........................................57T............................. 1
85........GH1440W-04-11.......................Gear Shaft................................20T.............................1
86........GB893.1-47 ..............................Retainer Ring............................47...............................1
87........GB3452.1-40X2.65 ...................O-Ring......................................40x2.65.......................1
88........04-28........................................Plug.......................................... ................................... 1
89........04-53........................................Bearing Cap.............................. ...................................2
90........04-52........................................Bearing Cap Gasket.................. ...................................2
91........GH1440W-04-08.......................Gear .........................................28T............................. 1
92........GB1096-8X38...........................Key...........................................8x38............................1
93........GH1440W-04-09.......................Gear .........................................41T............................. 1
94........GH1440W-04-10.......................Gear .........................................34T............................. 1
95........GB894.2-40 ..............................Retainer Ring............................40...............................1
96........GB/T276-6005..........................Ball Bearing..............................6005/p5 ...................... 4
97........GH1440W-04-07.......................Gear Shaft................................21T.............................1
98........GB894.2-17 ..............................Retainer Ring............................17...............................1
99........GB/T276-61803 ........................Ball Bearing ..............................61803/p5.....................2
100......GH1440W-04-15.......................Gear .........................................21T.............................1
101......GH1440W-04-14.......................Gear .........................................58T.............................1
102......GH1440W-04-16.......................Washer..................................... ...................................1
103......GB894.2-55 ..............................Retainer Ring............................55...............................1
104......GH1440W-04-19.......................Gear .........................................59T.............................1
105......GH1440W-04-18.......................Gear .........................................31T.............................1
106......GB1096-10X18.........................Key...........................................10x18..........................1
107......GH1440W-04-13.......................Spline Shaft............................... ...................................1
108......GH1440W-04-24.......................Cover........................................ ...................................1
109......TS-1503081..............................Hex Socket Cap Screw.............M6x35.........................4
157......11-15 ........................................Brake ShoeAssembly............... ...................................1
164......VB-A73.....................................V-Belt (GH-1340W-1/3 & GH-1440W-1..........................2
............VB-A74.....................................V-Belt (GH-1440W-3)................ ...................................2

Headstock Assembly III

Headstock Assembly III
Index Part
No. No. Description Size Quantity
56........TS-1503031..............................Hex Socket Cap Screw.............M6x12....................... 18
74........GB894.2-25 ..............................Retainer Ring............................25...............................6
82........GB/T276-6204..........................Ball Bearing..............................6204/p5 ...................... 5
89........04-53........................................Bearing Cap.............................. ...................................2
90........04-52........................................Bearing Cap Gasket.................. ...................................2
95........GB894.2-40 ..............................Retainer Ring............................40...............................1
96........GB/T276-6005..........................Ball Bearing..............................6005/p5 ...................... 4
102......GH1440W-04-16.......................Washer..................................... ...................................1
110......TS-1503041..............................Hex Socket Cap Screw.............M6x16.........................3
111......GH1440W-04-29.......................Cover........................................ ................................... 1
112......04-60........................................Gasket...................................... ............................. ......1
113......TS-1502031..............................Hex Socket Cap Screw.............M5x12.........................2
114......GH1440W-04-31.......................Nut............................................ ...................................1
115......GB/T297-32011.........................Tapered Roller Bearing..............32011/p5.....................1
116......GH1440W-04-30.......................Gear.........................................38T.............................1
117......GH1440W-04-27.......................Lock Collar................................ ...................................1
118......GH1440W-04-21.......................Gear.........................................59T.............................1
119......TS-1504061..............................Hex Socket Cap Screw.............M8x30.........................1
120......GH1440W-04-23.......................Gear .........................................87T.............................1
121......GH1440W-04-25.......................Collar........................................ ...................................1
122......GB/T297-30212 ........................Tapered Roller Bearing..............30212/p5.....................1
123......GH1440W-04-32.......................Gasket...................................... ...................................1
124......GH1440W-04-28.......................Cover........................................ ...................................1
125......TS-1503051..............................Hex Socket Cap Screw.............M6x20.........................3
126......GB1096-6X30...........................Key...........................................6x30............................1
127......GB1096-10X55.........................Key...........................................10x55..........................1
128......TS-1504031..............................Hex Socket Cap Screw.............M8x16.........................3
129......04-31/1.....................................Spring....................................... ............................. ......3
130......04-86........................................CamlockSet Pin ....................... ...................................3
131......04-85........................................Camlock.................................... ...................................3
132......GH1440W-04-22.......................Spindle...................................... ...................................1
133......GB894.2-20 ..............................Retainer Ring............................20...............................4
134......04-36........................................Spacer...................................... ............................. ......2
135......04-35........................................Gear.........................................32T.............................1
136......GB894.2-37 ..............................Retainer Ring............................37...............................1
137......04-54........................................Gear.........................................32T.............................1
138......GB1096-5X16...........................Key...........................................5x16............................1
139......04-55........................................Gear.........................................32T.............................1
140......TS-1523041..............................Set Screw.................................M6x12.........................1
141......04-37........................................Shaft......................................... ........................... ........1
142......GB3452.9-25X2.65 ...................O-Ring......................................25x2.65.......................3
143......04-47/1.....................................Key...........................................6x90............................1
144......04-46........................................Gear ........................................42T............................. 1
145......04-45........................................Collar........................................ ...................................1
146......04-44........................................Gear ........................................32T............................. 1
147......04-39........................................Collar........................................ ...................................1
148......04-41........................................Gear.........................................32T.............................1
149......GB/T276-6004 ..........................Ball Bearing..............................6004/p5 ......................2
150......GH1440W-04-33.......................Plug.......................................... ...................................1
151......04-47........................................Shaft (D)................................... ...................................1
152......04-43........................................Gear.........................................38T.............................1

Index Part
No. No. Description Size Quantity
153......04-42........................................Spline Shaft (E)......................... ...................................1
154......04-48........................................Housing Gasket........................ ...................................1
155......04-49........................................Housing .................................... ...................................1
156......GB9877.1-SD25X40X7 .............Spacer ......................................SD25x40x7.................1
158......GH1440W-04-65.......................Collar........................................ ...................................1
160......GH1440W-04-66.......................Balance Space.......................... ...................................1
161......GH1440W-04-67.......................Balance Block........................... ...................................1
162......TS-1523041..............................Set Screw.................................M6x12.........................1
163......TS-1524031..............................Set Screw.................................M8x12.........................1
10

Gearbox Assembly I
11

Gearbox Assembly I
Index Part
No. No. Description Size Quantity
1..........05-73........................................Plug.......................................... ...................................1
2..........GH1440W-05-06.......................Gearbox Casting....................... ...................................1
3..........05-07........................................Front Cover............................... ...................................1
4..........TS-1532032..............................Flat Head Machine Screw.........M4x10.........................8
5..........GH1440W-05-26.......................Oil Cover (14”).......................... ...................................1
............GH1340W-05-26.......................Oil Cover (13”).......................... ...................................1
6..........GH1440W-05-07/1....................Cover (14”) ............................... ...................................1
............GH1340W-05-07/1....................Cover (13”) ............................... ...................................1
7..........GH1440W-05-08.......................Top Cover................................. ...................................1
8..........GH1440W-05-09.......................Bracket..................................... ...................................1
9..........TS-1531012..............................Pan Head Machine Screw.........M3x6...........................4
10........GH1440W-05-11.......................Electrical Plate.......................... ...................................1
11........05-61........................................Gearbox Gasket........................ ...................................1
12........TS-1504081..............................Hex Socket Cap Screw.............M8x40.........................2
13........TS-1504051..............................Hex Socket Cap Screw.............M8x25.........................3
14........GH1440W-14............................Pin............................................5x20............................2
15........GH1440W-15............................Pin............................................5x28............................2
16........05-75........................................Plug.......................................... ................................... 2
33........GB118-A8X30...........................Pin............................................A8x30.........................2
121......GB867-2X4...............................Rivet.........................................2x4 ............................. 4
122......GH-1440W-05-12/1...................Speed Chart.............................. ...................................1
12

Gearbox Assembly II
13

Gearbox Assembly II
Index Part
No. No. Description Size Quantity
17........05-49........................................Gear.........................................16T.............................1
18........GH893.1-19..............................Retainer Ring............................19 ...............................1
19........GB/T276-6198..........................Bearing .....................................6198/p5 ......................1
20........05-51........................................Shaft......................................... ...................................1
21........TS-1523021..............................Set Screw.................................M6x8...........................4
22........05-03........................................Shifter....................................... ...................................1
23........05-02........................................Shaft......................................... ...................................1
24........TS-1503051..............................Hex Socket Cap Screw.............M6x20.........................2
25........05-13........................................Rack......................................... ...................................1
26........05-01........................................Shift Key................................... ...................................3
27........05-12........................................Shift Fork.................................. ...................................1
28........TS-1523021..............................Set Screw.................................M6x8...........................2
29........05-15........................................Shaft......................................... ...................................1
30........05-05........................................LocatingPlate........................... ...................................1
31........05-04........................................Control Plate............................. ...................................1
32........TS-1503031..............................Hex Socket Cap Screw.............M6x12.........................4
33........GB118-A8X30...........................Pin............................................A8x30.........................2
34........05-60........................................Shift Hub................................... ................................... 1
35........GB1096-4X10...........................Key...........................................4x10............................3
36........GH1440W-05-02.......................Shaft......................................... ...................................1
37........GB879-5X20.............................Pin............................................5x20............................1
38........05-14........................................Gear.........................................26T.............................1
39........05-55........................................Shift Fork.................................. ...................................1
40........05-56........................................Shift Lever................................ ...................................1
41........GB879-5X20.............................Pin............................................5x20............................1
42........GH1440W-05-03.......................Shaft......................................... ...................................1
43........GH1440W-05-01.......................Cover........................................ ...................................1
44........05-58........................................LocatingDisk............................ ...................................1
45........GB819-M5X10..........................Flat Head Machine Screw.........M5x10.........................8
46........GB4141.14-BM10X50...............Knob......................................... ...................................1
47........GH1440W-05-15.......................Handle Shaft............................. ...................................1
48........GH14440W-05-14.....................Shift Hub................................... ...................................1
49........05-08........................................Washer..................................... ...................................3
50........TS-1503041..............................Hex Socket Cap Screw.............M6x16....................... 14
51........04-90........................................IndicatorDisk............................ ...................................1
52........TS-1531012..............................Pan Head Machine Screw.........M3x6.........................12
53........05-70........................................IndicatorDisk............................ ...................................2
54........TS-152401 1..............................Set Screw.................................M8x8...........................4
55........GH1440W-05-72.......................Spring....................................... ...................................4
56........GB308-SB6.5............................Steel Ball...................................6.5..............................4
57........05-10........................................LocatingDisk............................ ...................................1
58........GH1440W-05-27.......................Oil Sight.................................... ...................................1
59........05-59........................................LocatingDisk............................ ...................................1
60........GH1440W-05-13.......................Shift Hub................................... ...................................2
61........TS-1503081..............................Hex Socket Cap Screw.............M6x35.........................7
123......GH1440W-05-10-1....................Name Plate (1 Phase)............... ...................................1
............GH1440W-05-10-3....................Name Plate (3 Phase)............... ...................................1
............GH1340W-05-10-1....................Name Plate (1 Phase)............... ...................................1
............GH1340W-05-10-3....................Name Plate (3 Phase)............... ...................................1
14