Quantcast Section VII. RADIO INTERFERENCE SUPPRESSION - TM-10-3930-631-120033

 

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TRUCK DOES NOT MOVE WHEN ACCELERATOR IS DEPRESSED
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TM-10-3930-631-12 Truck Lift Fork EMD Solid Rubber Tired Wheels 4 000 Lbs Capacity 144 and 180 In Lift Army Model MHE 227 Manual
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Section VIII. ELECTRICAL SYSTEM
TM 10-3930-631-12
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2 Check for glazed brake linings.
Replace glazed brake shoes (para 4-.34.
11 EXCESSIVE BRAKE PEDAL TRAVEL REQUIRED TO APPLY BRAKES.
Step 1. Check for air in brake hvdraulic system
Pump pedal several times If pressure builds up to hold pedal to normal travel. bleed brake system (para 4-33)
Step 2 Check oil supply in master cylinder
Fill master cylinder if necessary Para 4-33).
12 TRUCK PULLS TO ONE SIDE WHEN BRAKES ARE APPLIED.
Step 1 Check for oil or grease on brake lining
Replace brake shoes Para 4.34).
Step 2. Check for wear or broken brake shoe return spring
Replace weak or broken spring (para 4-34)
Step 3. Check for defective wheel cylinder
Replace defective cylinder Para 4-35)
13. PARKING BRAKE DRAGS.
Step 1. Check for improperly adjusted linkage.
Adjust linkage (para 4-31).
Step 2. Check for defective parking brake.
If brake is defective, notify direct and general support maintenance personnel.
14. STEERING MECHANISM NOT OPERATING PROPERLY.
Step 1. Check hydraulic system for leaks.
Tighten loose connections or replace hydraulic lines Para 4-41)
Step 2. Check steering tie rod adjustment.
Adjust steering tie rod (para 4-40).
Step 3. Check steering cylinder for leaks and proper operation.
Replace steering cylinder (para 4-41).
Step 4. Check hydraulic pump and valve for leaks.
If components are leaking, notify direct and general support maintenance personnel.
15. HORN DOES NOT SOUND.
Step 1. Check for defective horn button.
Replace defective horn button (para 4-25).
Step 2. Check for defective fuse.
Replace defective fuse (para 4-27).
Step 3. Check for loose wire.
Tighten loose connections.
Step 4. Check for improperly adjusted or defective seat switch.
Adjust or replace seat switch (para 4-31).
Step 5. Check for defective horn.
Replace horn (para 4-25).
Section VII. RADIO INTERFERENCE SUPPRESSION
41) attached to the drive motor flange below the drive
4-17. General
Methods
to
Obtain
Proper
axle.
Suppression
4-19. Replacement of Suppression Components
Essentially, suppression is obtained by providing a
a. Remove drip pan from beneath truck.
low resistance path to ground for stray currents. The
b.
Remove two screws and lock washers
methods used include grounding the frame with bonding
attaching drive motor to drive axle and remove two
straps and using capacitors and resistors.
bonding straps (fig. 4-41).
4-18. Interference Suppression Components
c. Install bonding straps on flange and secure with
Radio interference suppression in the fork lift truck
two screws and lock washers.
is obtained through the use of two bonding straps (fig. 4-
d. Install drip pan.
4-7

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