Taylor THDC-954, Руководство по обслуживанию

Страница: 86 / 100

6-17 6-17 THDC / THDCP - 954 / 955 / 974 (Rev. 06/03) THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)
P Prro ob blle em m C Ca au us se e C Co orrrre ec cttiio on n
9. 9. Low Low Air Air lig light ( ht (DS7) DS7)
is illuminated and is illuminated and
buzzer (LS5) is buzzer (LS5) is
energized. energized.
(Continued)
(Continued)
3. 3. Defecti Defective low ve low air pr air pressure essure switc switch h
(S13). (S13).
3. 3. Allo Allow truc w truck to buil k to build air pres d air pressur sure, e,
shut down engine, and with an shut down engine, and with an
ohmmeter read across each termi- ohmmeter read across each termi-
nal of the low air pressure switch nal of the low air pressure switch
(S13) to
(S13) to chassis chassis ground. ground. Ohmme- Ohmme-
ter readings on one terminal ter readings on one terminal
should be 0 - 40 ohms while the
should be 0 - 40 ohms while the
other
other terminal terminal’s ohmmeter ’s ohmmeter reading reading
should be infini should be infinity ty. . If the air pres If the air pres--
sure gauge, located on the instru- sure gauge, located on the instru-
ment panel, shows good air pres-
ment panel, shows good air pres-
sure and the ohmmeter readings
sure and the ohmmeter readings
are not as described above,
are not as described above,
replace low air pressure switch
replace low air pressure switch
(S13).
(S13).
7. 7. Brak Brake F e Fault ault lig light ht
(DS8) is (DS8) is illumi illuminated nated
1. 1. Overstr Overstroke oke indicator indicator swit switch ( ch (S27) S27)
is overstroked. is overstroked.
2. 2. Brak Brake cool e coolant pr ant press essure sw ure switc itch h
(S23) is defective. (S23) is defective.
3. 3. Brak Brake cool e coolant pr ant pressu essure is re is below below
10 psi. 10 psi.
a. Leak in brake cooling circuit. a. Leak in brake cooling circuit.
b. Defective pressure relief valve
b. Defective pressure relief valve
in port 3 of the brake manifold in port 3 of the brake manifold
valve.
valve.
4. 4. Brake Brake coolant coolant temperatur temperature sw e switch itch
(S24) is defective. (S24) is defective.
5. 5. Brak Brake cool e coolant t ant tempe emperatu rature re
exceeds 190 exceeds 190
_ _
F F..
6. 6. Ther There is a e is a shor short on w t on wire ire #32. #32.
1. 1. Visual Visually ly inspect inspect the ov the overstrok erstroke e
indicator indicator switc switch (S27). h (S27). If an over- If an over-
stroked condition has occurred, a stroked condition has occurred, a
brass colored indicator rod will be
brass colored indicator rod will be
protruding from the end cover of
protruding from the end cover of
the power cluster approximately
the power cluster approximately
3/4” to 1”.
3/4” to 1”. T To reset, push the indi o reset, push the indi--
cator rod back into the end cover. cator rod back into the end cover.
2. 2. Ref Refer er to to the the Electrical System Electrical System
Troubleshooting Troubleshooting of the of the Brake Brake
Fault light Fault light found earlier in this found earlier in this
section. section.
3. 3.
a. Isolate leak and repair. a. Isolate leak and repair.
b. Replace the 175 psi pressure
b. Replace the 175 psi pressure
relief valve in the brake man- relief valve in the brake man-
ifold valve at port 3.
ifold valve at port 3.
4. 4. Ref Refer er to to the the Electrical System Electrical System
Troubleshooting Troubleshooting
of the of the
Brake Brake
Fault light Fault light found earlier in this found earlier in this
section. section.
5. 5. Refe Refer to r to Probl Problem 1. em 1. in th in the e Wet Wet
Disc Brakes Cooling System Disc Brakes Cooling System
Troubleshooting
Troubleshooting chart in chart in Section Section
15C 15C ..
6. 6. Isol Isolate ate and and repa repair ir
https://www.forkliftpdfmanuals.com/