Instruction Manual
8
Imperial Series – Machine Screw Jacks
4 Parts List
4.1 General
This section contains an exploded illustration of the M1800, M9000, M4800 and M9400 Series machine
screw jack. The number adjacent to each part on the illustration is the index number. Keyed to this index
number on the parts list is the part name
When ordering parts be sure to include:
1. The nameplate model of your unit
2. Index number and name of part
4.2 Parts List for M1800, M9000, M4800 & M9400 Series Machine Screw Jacks
Index No Part Name Qty Req
1 Screw, Set
(All models except 100 & 150-ton)
2
2 Cap Shell
(All models except 100 & 150-ton)
1
3 Shell, Jack 1
4 Pipe, Bottom 1
5 Screw Assembly, Lifting 1
6A Worm Gear 1
6B Worm Gear & Anti-backlash Nut
Assembly Mfg’d & sold in sets only)
1
7 Bearing, Top Load 1
8 Bearing, Bottom Load 1
9 Screw, Cap 8
10 Washer, Lock 8
11 Flange, Worm 2
12 Shim, Flange 2
13 Seal, Oil 2
14 Worm 1
15 Bearing, Worm 2
16 Bushing, Guide (inverted model only) 1
18 Name plate 1
19 Screw, Lock (100 & 150-ton only) 1*
20 Plate, Base (100 & 150-ton only)
1*
* Not shown