27-127-1TX / TXH / TXB 180S - 400L (Rev. 4/23/07)TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
serious failure of the structural weldment.serious failure of the structural weldment.
When a crack is found, the truck must beWhen a crack is found, the truck must be
immediately taken out of service and repaired.immediately taken out of service and repaired.
Under no circumstances,Under no circumstances,
without prior written approval without prior written approval from Taylorfrom Taylor
Machine Works, Inc. Engineering Department,Machine Works, Inc. Engineering Department,
should the should the mast assembly mast assembly be modifibe modified. ed. As perAs per
OSHA 29 CFR1910.178 (a) (4).OSHA 29 CFR1910.178 (a) (4).
If the fatigue crack is allowedIf the fatigue crack is allowed
to grow, catastrophic failure could occur in to grow, catastrophic failure could occur in thethe
mast assembly or other welded componentsmast assembly or other welded components
causing serious injury to personnel and / orcausing serious injury to personnel and / or
property.property.
taken apart from the outer mast.taken apart from the outer mast.
The roller assemblies must notThe roller assemblies must not
be over be over lubricated. lubricated. Excess grease Excess grease inside theinside the
mast rails may cause the rollers to slide whenmast rails may cause the rollers to slide when
subjected to a subjected to a heavy load. heavy load. If this happenIf this happens, as, a
flat spot will be worn on the rollers and theflat spot will be worn on the rollers and the
rollers will continue to slide until replaced withrollers will continue to slide until replaced with
new rollers.new rollers.
Chain RollersChain Rollers (Illustration 27-4)(Illustration 27-4).. The chain rollersThe chain rollers
use sealed ball beariuse sealed ball bearings. ngs. Check the chain Check the chain rollersrollers
for looseness, cracks or flat spots.for looseness, cracks or flat spots.
Lift Chains.Lift Chains. The lift The lift chains must chains must be lubricatedbe lubricated
every 500 hours of operation (refer toevery 500 hours of operation (refer to Leaf ChainLeaf Chain
PROCEDURE 1PROCEDURE 1
PROCEDURE 2PROCEDURE 2
PROCEDURE 3PROCEDURE 3
PROCEDURE 4PROCEDURE 4
PROCEDURE 5PROCEDURE 5
Illustration 27-1. Illustration 27-1. Mast Slide Mast Slide Bearing Shimming Bearing Shimming ProcedureProcedure
Care, Maintenance, and ReplacementCare, Maintenance, and Replacementsection insection in
the back the back of this of this manual). manual). Refer to Refer to thethe Fuel andFuel and
Lubricant SpecificationsLubricant Specificationsfor the type of lubricantfor the type of lubricant
to be used to lubricate the lift chains.to be used to lubricate the lift chains.
Tilt Cylinder and Mast Hanger Pins.Tilt Cylinder and Mast Hanger Pins. The The tilt tilt cyl-cyl-
inder and mast hanger pins must be greased peri-inder and mast hanger pins must be greased peri-
odically (refer to theodically (refer to the Preventive MaintenancePreventive Maintenance
install shims in the outer mast slide bearings.install shims in the outer mast slide bearings.
The carriage and inner mast should then beThe carriage and inner mast should then be
secured in position by an appropriate meanssecured in position by an appropriate means
or they can be lowered to a height where theyor they can be lowered to a height where they
can more easily be blocked in position andcan more easily be blocked in position and
shimmed. shimmed. Shim the outer Shim the outer mast until mast until the clear-the clear-
ance is 1/16 toance is 1/16 to 1/32 inch (1.6 t1/32 inch (1.6 to .8 mm).o .8 mm). (See(See
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