TM-5-2330-325-13-P
SEMITRAILER, MEDIUM HEAVY EQUIPMENT TRANSPORTER (MHET), 40 TON, M870A3
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JUNE 2014
TM-5-2330-325-13-P - Page 169 of 648
Table 1.
Operator Preventive Maintenance Checks and Services (PMCS) Procedures - Continued.
ITEM
NO.
INTERVAL
ITEM TO BE
CHECKED OR
SERVICED
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE IF:
25
Before
Hydraulics
Wipe connectors clean, connect hydraulic lines from
gooseneck to towing vehicle (WP 0005), and check for
leaks.
Any Class III leaks
are evident.
26
Before
Gooseneck
Check gooseneck operation (WP 0005).
Gooseneck does not
operate correctly
(WP 0005).
27
During
Hydraulics
NOTE
If semitrailer will not be used for 72 hours or
more, lightly coat exposed cylinders with
grease.
Check for leaks.
Any Class III leaks are
evident.
28
During
Gooseneck
Check gooseneck operation (WP 0005).
Gooseneck does not
operate correctly
(WP 0005).
29
During
Gladhands
Check for leaks at gooseneck gladhand connections.
Any leaks are evident.
30
During
Brakes
Operate semitrailer brakes and ensure brakes at all six
wheel positions are operating properly.
Semitrailer brakes
inoperative.
31
After
Tires
Check tire pressure when tires are cool.
Any tire is flat, missing, or
unserviceable.
32
After
Wheels
Check wheels for damage. Check for debris or foreign
objects lodged between wheels.
A wheel is damaged or
unserviceable.
33
After
Lug Nuts
Check lug nuts for tightness and ensure all lug nuts
are installed.
A lug nut is missing.
34
After
Hub Mileage
Meter
Inspect hub mileage meter (Figure 4) for damage. Note
mileage and check for proper operation.
466-0027a
Figure 4.
Hub Mileage Meter Check.
TM 5-2330-325-13&P
0033
0033-5
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