PMW20
61
MAINTAIN ELECTRIC DEVICE
This chapter will describe how to maintain electric device.
PMW20
60
2. Check Parts
1) Clean all the parts and dry them on a clean and soft cloth.
2) Check for the cylinder liner and the dust-proof ring, o-ring, oil seal and support ring.
Check whether any scratches, burrs, and scratches on the mounting
grooves of the o-ring or oil seal cause possible damage to the seals to be installed.
3) Check whether there are any scratches, burrs, and scratches on the inner wall of the
cylinder and whether the oil cylinder needs to be replaced.
3. Re-install the lift cylinder
1) Before installation, lubricate the o-ring, oil seal, support ring, piston rod, piston,
cylinder cover and the inner wall of the cylinder.
2) Replace the dust-proof ring, o-ring, and oil seal in complete sets.
3) Insert the piston rod and piston into the cylinder carefully to avoid damaging the inner
wall and thread of the cylinder.
4) Lubricate the thread of the cylinder and then install the cylinder cover onto the
cylinder to avoid damaging the o-ring and oil seal.
5) Check whether the piston can move smoothly and then tighten the cylinder cover.
SM-PMW202020001-EN
SM-PMW202020001-EN
CODE PART NAME QTY OTHER INFORMATION
1
CYLINDER LINER
1
2
PISTON ROD
1
3
PISTON
1
4
CYLINDER SLEEVE
1
5
CYLINDER BASE
1
6
OIL PIPE
1
7 OIL PIPE JOINT
1
11 O-RING D46.2×2.65
1
12 DUST-PROOF RING
1
13 SEALING RING
1
14 CIRCLIPS 45×35×2
1
15 CIRCLIPS 45×40×1.5
1
16 O-RING D45×3.1
1
17
SUPPORT RING 1
Emergency Switch
Electric Horn
USB Charging
Connector
Instrument Assembly
Controller
Assembly
Safety Device
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