TM 9-3405-213-14&P
TROUBLE CHARTS - Continued
TROUBLE
CAUSE
REMEDY
1. 200283 feed
A. Feed control timing ring 200285 should be at bottom, that is, neutral
adjusting knob
position, when feed knob 200286 is turned to the left against stop pin,
incorrectly
which is zero position. Fig. 3 shows feed control timing ring on center or
positioned end feed
in zero position. If 200285 ring is in uppermost position, when 200286
cannot be controlled
knob is in zero position, the feed is fully open and is uncontrollable. See
See Fig. 3
B. To set 200286 knob to correct position raise knob over stop pins and turn
to the left as far as it will go. Then lower knob into place. Make sure
knob remains in correct position when replacing 275026 guard. See
2. WORN 200283
A. To check for oil leaks at this point, remove 275026 guard (Fig. 3) and
ABNORMAL
FEED TIMING
303019 tubing coil (Fig. 7). Remove a 1/8" fitting on 700057 lift cylinder
CASE COVER See:
FEED
Fig. 7 If 200283
feed valve 400163 (Fig. 4) and start saw reciprocating.
cover Is worn, the
DOWN
feed down of saw
B. If no more than normal feed down is evident (See Page 10 Item 3B for
frame cannot be
normal feed down), then leak must be in 200283 feed timing case cover,
OF SAW
controlled because
and this part must be replaced. See Fig. 7.
of excessive
FRAME
Leakage
C. 200283 feed timing case cover is always fitted with 200277 feed cylinder
(While saw
3. Worn 4 piston IN
A. First check for abnormal feed down of saw frame due to leak in 200283
frame is
200261 control valve
feed timing case cover (See Item 2A, Page 11).
reciprocatin
causing excessive
g)
leak. See Fig. 4.
B. If abnormal feed down is still evident, the control valve piston 300354 is
probably worn and the valve must be replaced.
C. As the control valve piston 300354 is fitted to the Control valve 200261,
these parts must be purchased as complete assembly No. 700015.
A. See Page 9 Items 3 and 4.
4. Insufficient oil in
reservoir
1. Dirt under relief
A. Remove 300403 cap on top of 200261 control valve and clean ball and
ABNORMAL
valve ball beneath
ball seat. See Fig. 4.
30043 cop on control
FEED DOWN
valve 200261
B. Reseat by topping ball in place in seat with soft Steel rod before
causing oil leak,
replacing 300403 cap. See Fig. 4
OF SAW
through ball check.
See Fig 4.
FRAME
2. Dirt in 300411
A. Remove 300414 cap. Then measure adjusting screw projection (usually
flexible feed valve
about /4") so that it can-be replaced in former position. Remove 300419
(While
body causing leak
adjusting stud and 400157 spring. See Fig. 4.
Machine is
through ball check at
idle or in
all times, See
Rest
position)
10
