Minor Repair - General; Plug / Fitting Torques - Simplicity 1691682 Service & Repair Manual

7 Transmission Repair
7B Sauer-Sundstrand BDU-21L-207
Minor Repair
General
Minor Repairs may be performed, following the proce-
dures in this section, without voiding the unit warranty.
Cleanliness is a primary means of assuring satisfactory
transmission life, on either new or repaired units.
Cleaning parts by using a clean solvent wash and air
drying is usually adequate. As with any precision equip-
ment, all parts must be kept free of foreign materials and
chemicals.
Protect all exposed sealing surfaces and open cavities
from damage and foreign material.
It is recommended that all O-rings be replaced. Lightly
lubricate all O-rings with clean petroleum jelly prior to
assembly.

Plug / Fitting Torques

If any plugs were removed from the housing, center sec-
tion, or end cap during servicing, they should be torqued
as indicated in the accompanying tables:
ITEM
Housing Plugs/Drains
(3/4-16 or 7/8-14 O-Ring)
Bypass Passage Plug
(1/16-27 Pipe
Loop Plugs
(3/4-16 O-Ring)
Inlet Fitting/Plug
(9/16-18 O-Ring)
Plastic Inlet Fitting
(M6 Screw)
TORQUE
29 to 50 ft. lbs.
(39 to 68 Nm)
56 to 50 ft.lbs.
(6.4 to 16 Nm)
29 to 50 ft.lbs
(39 to 68 Nm)
15 to 35 ft.lbs.
(20 to 47 Nm)
25 to 30 in.lbs.
(2.8 to 3.4 Nm)
7 - 18
Figure B-4. Sauer-Sundstrand Hydrostatic Drive Unit
BDU-21-L-207
Figure B-5 Minor Repairs