C-D-7
PARTS-SERVICE
Date: July 20, 1987
Model: W/B40-60XL
GRAM
Subject: Master Drive Unit
An improved master drive unit, P/N 2007081 has been released replacing P/N 338600 master drive
unit. The axle bearing (flange side) on P/N 338600 master drive unit should be packed with Shell
Alvania R3 or Mobil Mobilith AW3 grease annually or every 2000 hours of operation.
Parts Affected:
(See Figures 1 and 2)
Quantity Description New Part Number Original Part No.
338600
1 Master Drive Unit 2007081
356170
1 Seal Not Used
1 Axle 353549 354124
356173
1 Ring Not Used
1 Seal 353548 Not Used
1 Housing 384973 360784
Interchangeability:
Parts listed above are not interchangeable between the original and new master drive unit assemblies.
Complete drive unit assemblies are interchangeable.
Effective Serial Number:
Master drive unit serial number 200B066000
We reserve the right to make changes in design or add improvements without incur-
ring the obligation to make such changes in equipment previously manufactured.
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FIGURE 1: Section of Original Drive Unit, P/N 338600
Item Quantity Description Part Number
Housing 360784
1 1
Axle
2 1 354124
Ring
3 1 356173
Seal
4 1 356170
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FIGURE 2: Section of New Drive Unit, P/N 2007081
Item Quantity Description Part Number
1 1 Housing 384973
2 1 Axle 353549
3 1 Seal 353548