ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0050 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
DIESEL ENGINE AND FUEL TANK ASSEMBLY
Air Heater Assembly Replacement:
Parts (TM 10-4610-309-24P):
Heating Element (one or two as required)
Gasket (as required)
Replace the air heaters as follows (see Figure 8):
1. Remove the air cleaner assembly. Refer to REPLACE and Air Cleaner Assembly.
2. Tag and disconnect the yellow (power) and green (ground) wires from the heating elements.
Remove the short yellow jumper wire between the terminals of the two elements.
3. Remove the four bolts that secure the heating elements to the air intake bend cap. Remove the
cap, elements, and metal gaskets.
4. Inspect the metal gaskets for damage and replace as required.
5. Install the air intake bend cap, gaskets, and heating elements, and secure them with the four
bolts.
6. Reattach the power, ground, and jumper wires to the heating elements.
7. Reinstall the air cleaner assembly.
HEATER TERMINALS
PAPER ELEMENT
HEATER / AIR INTAKE
AIR INTAKE BEND CAP
GASKETS
BEND BOLTS
CASE BOLTS
AIR INTAKE
COVER
CASE
BEND CAP HEATER
GASKET
NUT
SEAL RUBBER
RECOIL STARTER ASSEMBLY
COOLING FAN CASE
COOLING FAN CASE BOLT
Figure 8. Air Heater Assembly Replacement.
0050 00-9
