|
| |
TM5-4210-229-14&P
5-7.
RESCUE SAW REPAIR (Continued).
(1)
Inspect crankshaft (167) for cracks, breaks
and misalignment, and crankshaft threads and
bearing surfaces for wear, scratches, gouges
and flat areas.
(2)
Inspect needle bearing (168) for wear and
damage.
(3)
Inspect piston (154) for cracks, uneven wear
and damage to ring grooves, and piston pin
(153) for wear and looseness of fit.
e.
Rescue Saw Cylinder, Crankcase and Muffler
Inspection.
(1)
Inspect cylinder (150) and crankcase (175)
and 172) for broken or cracked pins, warped
head mounting surfaces, worn or scored
bearings, distorted or worn threads.
(2)
Inspect cylinder cooling fins for cracks or
breaks.
(3)
Inspect clutch (96) for bearings and springs
that are worn, scored, damaged, cracked or
distorted.
(4)
Inspect muffler (83) for cracks, breaks, or
excessive burning.
f.
Rescue Saw Filter Assembly, Cylinder Casing, Spill
Filter and Intake Pipe Inspection.
(1)
Inspect cylinder casing (47), filter cap (42),
and filter holder (43) for cracks, dents, or
other damage.
(2)
Inspect prefilter (40) for deterioration and
clogging.
(3)
Inspect main filter (41) for cleanliness and
overall condition.
(4)
Inspect spill filter (69) for cleanliness and
general condition.
(5)
Inspect seal (70) for general condition and
intake pipe (72) for dents, cracks, or other
damage.
g.
Rescue Saw Cutter Blade Assembly Inspection
(1)
Inspect shaft (4), pulley (26), bearings (28)
and 29), spacer (31), flange washers (2 and
3), flange support (6), and support (7) for
distortion, wear, and breaks.
(2)
Inspect cutting arm (14), guard (19), knob (13)
and glade guard (12) for cracks, bends, burns,
and worn threads.
h.
Rescue Saw V-Belt Tensioner Inspection.
(1)
Inspect belt (24) for fraying, stretching and
general good condition.
(2)
Inspect eccentric (23) and spacer (34) for
wear and distortion.
(3)
Inspect push rod (37) and flanges (38) for
wear, cracks, or distortion.
(4)
Inspect spring (22) for wear, distortion or
breaks.
i.
Rescue Saw Handle and Controls Inspection
(1)
Inspect tabular front handle (111) for cracks,
dents, or gouges, and inspect shock absorbers
(114 and 121) for deterioration and general
condition.
(2)
Inspect rear handle (123 and 122) for cracks,
breaks or distortion, and inspect all controls
for general condition.
j.
Rescue Saw Carburetor Inspection.
(1)
Check needle points on adjust screws (199)
and 197) and idle screw (195) for wear.
Inspect needle point for ridges, indentations,
or flat spots.
(2)
Check all springs for distortion, crack or
breaks.
5-16
|
