A crane seal kit should be requested against a particular cylinder, not just the crane model. For the XCMG QY55KA-Y, the catalog has separate entries for the C14 outrigger cylinder seal kit and the S33 lower telescopic cylinder seal kit. Those names point to different locations. They do not establish fit for every cylinder fitted to a crane of that model.
The workshop should describe the cylinder position using the applicable parts information. If the request says “outrigger,” ask which cylinder within the outrigger arrangement it means. If it says “telescopic,” identify the cylinder and position rather than assuming that all boom cylinders take the same kit. A wide photo showing the installed location and a marked drawing callout are more useful than a close-up of a pile of removed seals.
Record the crane serial and any visible cylinder assembly markings. If the workshop identifies a cylinder that was exchanged or rebuilt in the past, attach that history separately. A supplier may need to compare the cylinder that is actually fitted with the original configuration. Do not send staff to access a raised boom or remove components solely for inquiry photos. Identification work must stay within the site’s approved access arrangements.
A crane cylinder repair kit quotation should say what is in the package and which cylinder assembly the supplier used to identify it. A photograph can help show the visible items but is not evidence of material, size or service suitability. If the supplier offers more than one kit, ask for the basis of each match and list any required items that are outside the kit. The workshop should approve the selection against the applicable repair documentation.
Avoid using a worn seal as the only specification. If the technician has already removed a seal and supplies measurements, preserve the units and label which measurements come from the used part. Keep those observations separate from the confirmed nominal dimensions. A loose seal that looks similar is not enough to identify the kit, and a seller’s reference to the crane family does not resolve a mismatch in cylinder identification.
For a job involving more than one cylinder, use one line per location. Include the crane serial, the cylinder reference and the requested kit identifier on each line. Ask the supplier to reply against that same structure. A single line saying “seal kits for QY55KA-Y” is easy to quote against the wrong cylinder, especially if the required kits arrive in similar bags.
At receiving, retain each bag label until the kit is issued to the correct work order. Where the supplier includes an itemized list, keep that list with the package. Record shortages or mismatches before mixing items from different kits. A sealed bag for one cylinder should not be opened to make up a different order unless the workshop has approved the exact parts and the change is documented. If the original cylinder cannot be identified, hold the order for a fitment decision rather than treating delivery speed as evidence.
Do not assume that it can. The catalog distinguishes the C14 outrigger seal kit from the S33 lower telescopic seal kit. Confirm the installed cylinder reference, kit contents and service requirements before releasing either item.
When the two kits are ordered for different repair dates, add the work order number to the supplier’s packing instruction. A delivery that arrives early can then be put into the correct bin without opening the bags. If a kit is split across shipments, record what remains outstanding so nobody mistakes the first package for the complete kit.
Use the seal kit scope guide to convert a confirmed cylinder position into an order line. Give each verified position a separate stock code and bin label if the depot carries both kits.
