Figure 3-11. Tumbler blower motor disassembly and reassembly.
Clean all parts in a well-ventilated
area. Avoid inhalation of solvent
fumes and prolonged exposure of
skin to cleaning solvent. Wash
cleaning solvent (Fed. Spec. P-D-
680) used to clean parts is potentially
property. Do not use near open
flame or excessive heat. Flash point
of solvent is 100 10 138° F. (38 to
Clean the bearings in clean engine oil.
Clean all electrical parts with dry
compressed air and a clean cloth.
Clean the outer housing and other
metal parts with cleaning solvent, Fed. Spec. P-D-680,
and dry thoroughly.
Inspection and Repair.
Inspect all bearings for nicks, burrs
Inspect all other parts for wear and
Replace damaged and/or worn parts.
Install the bearings (4 and 6, fig. 3-
11) and spring (5) onto the armature (7) shaft.
Install the armature unit into the
Install the end cap (2) and secure with
Installation. Refer to paragraph 3-6, figure
3-10 and install the blower motor onto the blower.
3-8. Tumbler Fuel Pump
(1) Disconnect the fuel lines (1, fig. 3-12).
(2) Remove the elbows (2 and 3), coupling (4) and
(3) Remove the reducer (6) and nipple (7).
(4) Remove the adapter (8).