Gage Bilt GB2581-750 Manual - Página 7

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TROUBLE SHOOTING

Providing all maintenance conditions have been met, follow this systematic approach to diagnosis.

1. NO OPERATION WHEN TRIGGER IS DEPRESSED

a.) Check Powerunit power source.

b.) Control cord may be loose or damaged.

c.) Faulty trigger. Replace.

d.) Check hydraulic couplings; repair or replace.

2. SLOW OR PARTIAL OPERATION WHEN TRIGGER IS DEPRESSED

a.) Low hydraulic pressure. Check powerunit, adjust.

b.) Cylinder Piston Glyd Ring Assy. (406180) could be worn or damaged. Replace.

c.) Excessive wear or scoring on moving parts. Check and replace faulty parts.

3. TOOL OPERATES IN REVERSE

a.) Tool stops in back position. Hydraulic hoses are reversed. Correct.

4. HYDRAULIC OIL OVERHEATS

a.) Powerunit motor rotation reversed. Electrical connections reversed. See powerunit instruction manual.

b.) Restrictions in either hydraulic lines, hoses or couplings. Check and tighten, clean or replace.

5. OIL LEAKAGE

a.) Hydraulic oil leaks from connections. Tighten threaded connections. Do not use Teflon

b.) Oil leaks from tool. Determine source of leak and replace worn or defective o'rings and back-up rings.

6. PINTAIL GROOVES STRIPPED DURING PULL STROKE

a.) Nose Assembly must be pushed onto fastener fully.

b.) Chips may have collected in chuck jaws. Disassemble nose assembly, clean jaws in mineral spirits using a sharp

pointed object.

c.) Chuck jaws may be worn or damaged. Replace.

d.) Pintail too short for jaws to properly grip. Select proper grip length fastener.

e.) Excessive gap between sheets. Reduce gap before attempting to install fastener.

7. NOSE ASSEMBLY WON'T ACCEPT FASTENER PINTAIL

a.) Spent fastener stem may be jammed in pulling head. Disassemble and check for worn or broken parts in nose

assembly. Replace defective parts and clean before reassembling.

OVERHAUL

WARNING:

DISCONNECT TOOL FROM ITS POWER SOURCE BEFORE PERFORMING OVERHAUL

If a tool is performing poorly or leaking badly, a complete overhaul may be necessary. Service Kit GB2581KS contains a

complete set of o'rings, back-up rings and screws.

Perform overhaul in a clean, well lit area using care not to scratch or nick any smooth surface that comes in contact

with an o'ring. Use of Lubriplate

prevent tearing or distorting of o'rings.

Disconnect hydraulic hoses (206119) and electrical cord (258020) from powerunit. Remove couplers (585038 & 585047)

from hoses (206119) and drain. Remove retaining nut (480124), retaining nut stop (480125), and nose assembly.

Remove deflector ass'y (258032), socket head cap screw (406030), barbed retainer (258015), wiper (405991), locator

(582127) and rear gland ass'y (258017). Push piston assembly (258111) rearward and remove. Then remove front gland

(258114), polyseal (406160), wiper housing (258007) and wiper (405894).

Clean parts in mineral spirits or other o'ring compatible solvent being sure to clean o'ring grooves. Inspect components

for scoring, excessive wear or damage.

Reassembly sequence is opposite of disassembly. Be sure relative positions of o'rings and back-up rings are as shown

in exploded view and part list. Relief valve must be installed with four flats towards the rear of the cylinder. Coat hose

fitting threads with a non-hardening Teflon thread compound such as Slic-tite

USE TEFLON TAPE. Apply hot glue to wire connections to ensure wires DO NOT contact each other or handle ass'y.

(Gage Bilt part no. 402723) or other lubricant is recommended during reassembly to

tape.

(Gage Bilt part no. 403237). DO NOT

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