Section IV: Maintenance
4.0.MAI.SL-160
MAINTENANCE INSTRUCTIONS
WEEKLY SERVICE
(50 OPERATIONS)
1. Lubricate with grease (refer to lubrication diagram).
Lifting hook on jib (if operating the adjustable jib be sure to
rotate and grease hook).
Jib slide - top, bottom, and side guides.
2. Check hydraulic oil level. with the hoist in the transport position (lift
cylinders retracted and jib cylinder extended – see diagram on front
cover) the oil level in the
tank should read
approximately one inch
below the top of the glass
sight on the
temperature/sight gauge
(see diagram ).
3. Check hydraulic hose and
fittings for leaks. Also
check hydraulic hose for
wear. Repair and/or
retighten as necessary.
MONTHLY SERVICE
(200 OPERATIONS)
1. Lubricate with grease (refer to lubrication diagram)
Fittings on lift cylinders (quantity: 4).
Front pins on rear pivot joint weldment (quantity: 2).
Fittings on rear pivot pins and rollers (quantity: 4).
2. Check all bolts and retighten as required.
3. Check adjustments on mast lock (safety latch) mechanism. Refer
to the Mast Lock Inspection Instructions on Pg. 4-4 of the
Maintenance section.
4. Check adjustments on the jib lockout valve. Refer to the Jib
Lockout Valve Inspection & Adjustment Instructions on Pgs. 4-5 &
4-6 of the Maintenance section.
YEARLY SERVICE
1. Check for proper gapping on outer tube clamp assembly. Refer to
the Outer Tube Clamp Assembly Inspection Instructions on Pg.
4-10 of the Maintenance section.
2. Change hydraulic oil, replace hydraulic filter element, and wash out
suction strainer.
3. Check main relief valve setting. Refer to the pressure check
instructions on Pgs. 4-7 to 4-9 of the Maintenance section
(pressure should be 3,250 psi minimum).
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