PS Magazine - TB 43-PS-442
PS, The Preventative Maintenance Monthly
ISSUE 442
SEPTEMBER 1989
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Maintenance PlaTorm ±²²
ost maintenance platfOrms are just naturally oRery and stubborn, but who
woTldn 't be oRery and stubboR if they got no more attention than most mainte-
nance platFrms.
±he B²4A platform, in par³icular, needs periodic care and attention.
±M 55´L 730²215²13&P says to lube it every µ00 hours ofuse or every qu¶er·
¸ube the scissors rollers, roller guides and hinge pins with general purpose
oil·
ÜÝÜ
9150²00²689²4µ38 gets a 1²qt c¹n·
Scissor
assembly
¸ube the laddeº guides, caster bear-
ings and other lESs critical poInts o»
¼iction with grease.
ÜÝÜ
9150´00´
190²0904 gets a ½²lb can.
³Ep 89
Þ5
¸ube the pump and cylinder as-
semblies with hydºaulic fluid.
ÜÝÜ
9150²00´µ49´7431 gets a µ´qt can.
Keep your platFrms as clean as pos²
sible, too, especially the scissors chan¾
nels and laddeº guides· Dirt and grit
in those places can preveNt the platFrm
¼om raising and lowering properly.
Use P´D´680 dry²cleaning solvent to
remove the tough stu¿, lÀe grease and
oilÁ
'Couºse, you should replace woÂ
out or missing parts as soon as you
fÃnd they're bad.
Appendix C of the ±M lists all the
ºepaiº parts you'll need·
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