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4-1. GENERAL
Planned maintenance consists of periodic visual and operational checks, parts inspection,
lubrication and scheduled maintenance designed to prevent or discover malfunctions and
defective parts. The operator performs the checks in Section 3, and refers any required servicing
to a qualified maintenance technician who performs the scheduled maintenance and required
servicing.
WARNING: Modifications and additions which affect capacity and safe operation shall not be
performed without manufacturers prior written approval.
4-2. MONTHLY AND QUARTERLY CHECKS
Table 4-1 is an inspection and service chart based on normal usage of equipment eight hours
per day, five days per week. If the lift truck is used in excess of forty hours per week, the fre-
quency of inspection and service should be increased accordingly. These procedures must be
performed by a qualified technician or your Lift Products service representative.
INTERVAL INSPECTION OR SERVICE
Monthly
Check condition of pump motor
Monthly
Check condition of hydraulic fitting and hoses
Monthly
Check caster wheels (if equipped) for wear and proper function
Monthly
Inspect wiring for loose connections and damage insulation
Monthly
Lubricate unit (See Table 4-3)
Quarterly
Check cylinder wiper and packing
4-3. LUBRICATION
Refer to table recommended types of grease and oil. Table 4-3 in conjunction with figure 4-1
identifies the items required lubrication.
Table 4-2 Recommended Lubricants and Oils.
No. 1 Grease-Lithium base, general purpose.
No. 2 Hydraulic oil-heavy duty with viscosity of 150 SUS
(in temperature below 32 degree F use 100 SUS) foam suppressing agent
and rust and oxidation inhibitors.
Part No. 900855 ( 1 gallon)
900893 (1 quart)
No. 3 Moly-Grease-Dow Corning Molykote 44 (contains silicone)
Part No. 055753