Standard axle lift cylinder repair, Figure 4, Figure 5 – Alamo HYDRO 15 User Manual

Page 92

HYDRO 15 (Service Manual) 10/06

Alamo Industrial

Section 5 - 18

STANDARD AXLE LIFT CYLINDER REPAIR

Remove the plastic plug (figure

3 item 13)

from the cylinder head. With cylinder head, piston,

cylinder rod and cylinder rod clevis assembly removed from the barrel, the barrel can be removed
from the vise, the drain pans can be set aside

(see figure 3).

Clamp the cylinder rod, cylinder head and piston assembly into the vise

(see figure 4).

When

clamping the cylinder rod clevis into the vise make certain to clamp it as shown

(figure 4).

the clevis

must be clamped as shown or the clevis could be damaged by bending the ears of the clevis.

Slide a block of wood

(figure 4 wood support block)

between cylinder rod and work bench, insert

a material between block

(figure 4 soft non-scratching material)

and the cylinder rod, this will protect

the cylinder rod from damage. Use a strap wrench to hold the cylinder rod

(figure 4 strap wrench)

to hold the cylinder rod from turning while screwing the piston nut

(figure 4 piston nut)

off the piston

nut is RH Thread locknut.

10.

Remove piston nut

(figure 4 & 5)

, the Piston from the cylinder rod. Move the support block and

the strap wrench

(figure 4 & 5)

Slide the cylinder head down the cylinder rod and off

(figure 5)

remove the setscrew from the cylinder rod clevis (figure 4 clevis set screw). There is a nylon

thread protector under the setscrew to protect the thread on the cylinder rod, it will most likely stay
in the threaded hole

(see figure 5).

The cylinder rod will screw out of clevis, it has RH threads, if

it cannot be turned by hand

DO NOT

use any type of tool that will damage the cylinder rod. Use

a strap wrench that only uses the strap to grab the rod

(see figure 4& 5)

. Screw the cylinder rod

completely out of the clevis.

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Figure 4

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Bench Vise

Strap Wrench

Wood Support Block

Soft Non-Scratching Material

Cylinder Head

Clevis Set Screw

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Piston

Piston Nut

Figure 5

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Bench Vise

Cylinder Head

Clevis Set Screw

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Piston

Piston Nut

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Cylinder Rod