TM 5-3895-369-l4
Table 4-2. Unit Preventive Maintenance Checks and Services - CONT.
MO - Months
Hr - Hours
Item
Interval
ltem to Be
No.
MO
Hr
Inspected
Procedure
MIXER-
CONT
19
12
2000
Tines, mixing
Check rotor tines for wear. Check attaching locknuts for tightness
(para 4-173).
20
6
1000
Rotor drive
Drain and change lube oil in drive assembly housing (para 4-27).
assembly
Refer to Chapter 3, Section I.
REAR AXLE
21
12
1000
Two-speed
range box
Drain and fill with gear oil (para 4-25). Refer to Chapter 3,
Section I. Check that operating temperature of the range box is
between 100°to 180°F (38°C - 82°C).
22
12
1000
Wheel ends/
Drain and fill with gear oil. Refer to Chapter 3, Section I..
planetary gears
23
12
4000
Axle assembly
Check for leaking oil seals. Check for damaged axle housing. Drain
and fill with gear oil (para 4-26). Refer to Chapter 3, Section I..
Section IV. UNIT TROUBLESHOOTING.
4-12. TROUBLESHOOTING INTRODUCTION.
This section contains step by step procedures for identifying, locating, and isolating equipment malfunctions.
4-13. TROUBLESHOOTING SYMPTOMS.
Table 4-3 lists the most common malfunctions found during operation of the vehicle. Tests or inspections and
corrective actions should be performed in the order listed. This symptom index lists corrective actions that can be
performed by unit maintenance. If a malfunction is not listed, or corrective action fails to correct a problem, notify
direct support maintenance.
4-14. UNIT TROUBLESHOOTING PROCEDURES.
Pages 4-14 through 4-153 contain the malfunctions listed in Troubleshooting Symptom Index (Table 4-3), test or
inspection instructions required to determine cause of malfunction, and corrective actions for repairing the faulty
equipment. Operator Troubleshooting Procedures (Table 3-2) should be completed before performing Unit
Troubleshooting Procedures.
4-12
