31
- ORIGINAL INSTRUCTIONS -
Possible Cause
Checkout Procedure
Board is in spin mode.
Relief Speed Pot (RSP) is not
set correctly.
(RTP) is not working
Switches on SDC incorrect
J.
Spin Torque Selector not work
-
ing
K.
Check (RSP) remote speed
(10k) on (SDC) board
L.
(RTP) (10K) Remove
3 Remote Torque Wires
red wire to term 2
white wire to term 1.
black wire to term 3.
M.
Verify position of all pots and
switch on SDC
Light next to TQ on SDC board should be
ON. If not, remove wires 41SDCMOD and
44SDCCOM from SDC control board. Ma
-
chine works.
Yes--Machine was in spin mode. Check
continuity of STS switch.
Replace if bad.
No-- Light next to TQ is ON but machine does
not work, go to step
K
.
Verify (SPEED) pot setting on the (SDC)
board. Should be set as specified on pages
23 and 24. Adjust if incorrect and check
Relief Torque function. Works
Yes--end of troubleshooting
No--go to Step
L
. next
Check for 10,000 ohms
Red wire to white wire
Full CCW--0 ohms
Full CW--10,000 ohms
Red wire to black wire
Full CCW--10,0000 ohms
Full CW--0 ohms
Yes--go to Step
M
. nest
No--replace (RTP)
Verify postion of 4 pots on board. Should
be set as specified on pages 23 and 24.
Verify that the Troque reduction feature
is in the OFF position. (pushed toward the
pots on board).
Motor works
Yes--end of troubleshooting
No--replace SDC.
ELECTRICAL TROUBLESHOOTING
- ORIGINAL INSTRUCTIONS -
Summary of Contents for 555 SRI
Page 42: ...42 ORIGINAL INSTRUCTIONS 55761 EXPLODED VIEW DOOR ASSEMBLY ...
Page 44: ...44 ORIGINAL INSTRUCTIONS 6329575 EXPLODED VIEW REAR GUARD DOOR ASSY ...
Page 46: ...46 ORIGINAL INSTRUCTIONS 6329575 EXPLODED VIEW REAR GUARD DOOR ASSY ...
Page 48: ...48 ORIGINAL INSTRUCTIONS 55583 EXPLODED VIEW GRINDING HEAD ASSEMBLY ...
Page 50: ...50 55451 EXPLODED VIEW PIVOT ARM GRINDING SHAFT ASSY 1 of 2 ...
Page 52: ...52 55451 EXPLODED VIEW PIVOT ARM GRINDING SHAFT ASSY 2 of 2 ...
Page 54: ...54 ORIGINAL INSTRUCTIONS 55563 EXPLODED VIEW TRAVERSE DRIVE ASSEMBLY ...
Page 56: ...56 ORIGINAL INSTRUCTIONS 55452 EXPLODED VIEW MOWER SUPPORT ASSEMBLY ...
Page 58: ...58 ORIGINAL INSTRUCTIONS EXPLODED VIEW VERTICAL MOWER SUPPORT ASSEMBLY ...
Page 60: ...60 ORIGINAL INSTRUCTIONS 55708 EXPLODED VIEW CARTON ASSEMBLY ...
Page 62: ...62 ORIGINAL INSTRUCTIONS EXPLODED VIEW ALIGNMENT GAGE ASSEMBLY ...
Page 66: ...66 ORIGINAL INSTRUCTIONS 55628 EXPLODED VIEW SPIN DRIVE ASSEMBLY 2 5 1 3 6 4 7 9 ...
Page 68: ...68 ORIGINAL INSTRUCTIONS EXPLODED VIEW CONTROLS ASSEMBLY ...
Page 70: ...70 ORIGINAL INSTRUCTIONS EXPLODED VIEW ELECTRIC PANEL SUB ASSEMBLY ...
Page 72: ...72 ORIGINAL INSTRUCTIONS 55041 WIRING DIAGRAM ...