Service Repair Manual
Models
336D and 336D L Excavator
Shutdown SIS
Previous Screen
Product: MOBILE HYD POWER UNIT
Model: 336D MOBILE HYD POWER UNIT M3N
Configuration: 336D & 336D L Mobile Hydraulic Power Units M3N00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
330D, 336D, 336D2, 340D and 340D2 Excavators and 336D MHPU Mobile Hydraulic
Power Unit Machine Systems
Media Number -RENR8648-30
Publication Date -01/03/2015
Date Updated -15/08/2018
i06939513
Swing Drive - Assemble
SMCS - 5459-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
5P-5197
Pliers
1
B
138-7574
Link Brackets
2
C
138-7575
Link Bracket
3
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned
in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts.
Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are
worn or damaged, use new parts for replacement.
1/10
336D & 336D L Mobile Hydraulic Power Units M3N00001-UP (MACHINE) POWE...
2020/9/12
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1
g00869899
1. Install lip seals (32) and O-ring seal (33) in bearing cage (29).
Illustration 2
g00870134
Note: Lubricate the seals and the seal surface of the shaft before you install the cage
assembly.
2. Carefully install cage (29) on shaft (31).
Illustration 3
g00870142
3. Raise the temperature of bearing (36) to 135 °C (275 °F) and use two people to install the
bearing on shaft (31). The weight of bearing (36) is approximately 35 kg (77 lb).
4. Install spacer (35) on shaft assembly (31). Install the spacer with relief against bearing (36).
2/10
336D & 336D L Mobile Hydraulic Power Units M3N00001-UP (MACHINE) POWE...
2020/9/12
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 4
g00870160
5. Raise the temperature of bearing (34) to 135 °C (275 °F). Install the b