Click here to make tpub.com your Home Page

Page Title: Table 5-1. Direct Support and General Support Maintenance Troubleshooting -Continued
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

TM 5-5420-205-14
Table 5-1. Direct Support and General Support Maintenance Troubleshooting -Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
CONTINUED
Step 2. Check the pilot-operated check valve.
Replace defective valve 7387 (para 4-15c).
Step 3. Check the right pinning or ramp unfolding hydraulic cylinder.
Replace defective cylinder (para 4-20).
Step 4. Check quick-disconnect couplings.
Replace defective coupling (figs. 4-19(1) and (2)).
4.
LEFT PINNING (DRIVE/RETRACT) FUNCTION INOPERATIVE (SUPERSTRUCTURE MODEL NOS. 2195-1 AND
2195-21.
Step 1. Test continuity of switch S27.
Replace defective switch (TM 5-5420-204-34).
Step 2. Check for loose electrical lead or defective connector. Trace leads 654 to plug P67 and lead 654A to
plug P120.
Tighten loose lead or connector.
Step 3. Test for continuity.
Repair or replace defective lead (TM 5-5420-204-34).
Step 4. Check solenoid valve or solenoid; test solenoid L16 and L17 receptacle for continuity. Operate manual
control on end of solenoid; if solenoid valve does not operate, it must be replaced.
Replace defective solenoid valve (TM 5-5420-204-34).
Step 5. Check the holding valve.
Replace defective valve.
Step 6. Check the quick-disconnect coupling.
Replace defective coupling (figs. 4-19(1) and (2)).
Step 7. Check the pinning cylinder.
Replace defective cylinder (para 4-20).
5.
LEFT PINNING (DRIVE/RETRACT) FUNCTION INOPERATIVE, (SUPERSTRUCTURE MODEL NOS. 2271 AND
2272).
Step 1. Check manual pinning valve.
Repair or replace valve (TM 5-5420-210-34).
Step 2. Check flow control valve.
Repair or replace valve (TM 5-5420-210-34).
Step 3. Check quick disconnect coupling.
Replace defective coupling (figs. 4-19(1) and (2)).
Step 4. Check pinning cylinder.
Replace defective cylinder (para 4-20).
6.
CURBING FUNCTION INOPERABLE (SUPERSTRUCTURE MODEL NOS. 2195-1 AND 2195-2).
Step 1. Check continuity of switch S28.
Replace defective switch (TM 5-5420-204-34).
Step 2. Trace leads 653 to plug P68, and 653Ato plug P117.
Tighten loose lead or connector.
Step 3. Test for continuity.
Repair or replace defective lead (TM 5-5420-204-34).
Step 4. Test solenoid L18 and L19 receptacle for continuity. Operate manual control on end of solenoid; if the
solenoid valve does not operate, it must be replaced.
Replace defective solenoid valve (TM 5-5420-204-34).
Step 5. Check quick-disconnect coupling.
Replace defective coupling (figs. 4-19(1) and (2)).
Step 6. Check double pressure relief valve.
Replace defective valve 2327 (TM 5-5420-204-34).
Step 7. Check curbing hydraulic cylinders.
Replace defective cylinder (para 4-18).
7.
CURBING FUNCTION INOPERABLE (SUPERSTRUCTURE MODEL NOS. 2271 AND 2272).
Step 1. Check manual curbing valve.
Repair or replace valve (TM 5-5420-210-34).
Step 2. Check quick-disconnect coupling.
Replace defective coupling (figs. 4-19(1) and (2)).
Step 3. Check valve restrictors (interior bay only).
Replace defective valve restrictors 6076.
5-2

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business