PS Magazine - TB 43-PS-513
PS, The Preventative Maintenance Monthly
ISSUE 513
AUGUST 1995
M728 Combat Engineer Vehicle .±±
o
±
l
f
here's
a right way and whole lot oF
wrong ways to do maintenance tasks,
mechanics.
Lubing the beaRings in the M728
CEV±s roadwheel hubs is a good ex-
ample. IF you don±t take caRe oF the
relieF valves F²rst, gRease is FOrced past
The sea³. ´he bearings don±t get lubed
and the roadwheel seµzes¶
Here±s the right way:
1²
Clean away old grease and diRt From
each relieF valve with a clean dry cloth·
NSN 8305¸01¸¹52º3587»
³´
Eyeball the RelieF valve to make sure
it is woRking properly¼ ½here are two
types oF relµeF valves» ½he plungeR¸type
should move easily in and out¶
PS 513
½he relieF ports on the ball¸type valve
should be open. Clean clogged relieF
valves in P¸D¸680 dry cleaning solvent
and then dry them with compressed
Aµ
3¶
Apply lube to the grease FiTting unt¾l
grease comes out FRom the relieF valve.
Double¸check to make suRe no gre¿se
shows up at the seal.
4·
Wipe the RelieF va³ve to remove any
excess greaseÀ
±3
AUG 95
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