Haulotte HT23RTJ O, Книга по эксплуатации

Страница: 184 / 534

184 4001055250 E 10.21 USA / GB
Upper boom
Procedure of dismantling / reassembling hydraulic rotary actuators
MS0028
3 - Disassembly
Avoid personal injury and machinery damage : Read the
Service and Repair Manual for proper installation,
maintenance and repair procedure.
To avoid injury or damage to product : Secure produc to
slotted table or vise.
Spraying fluids. Contents under pressure. Use caution
when removing port plugs and fittings.
N.B.-:-T
O AVOID CONTAMINATION TO MACHINED PARTS
: M
AKE
SURE WORK AREA IS CLEAN
.
1. Remove port plugs ( 106.1 ) ( 106.2 ) and drain oil. In-
spect oil for signs of contamination, i.e. water, metal shav-
ings.
2. Remove the cap screws ( 113 ) that cover the end cap
lock pins ( 109 ).
3. Using a 1/8" (3 mm) drill bit, drill a hole in the center of
each lock pin to a depth of approximately 3/16" (5 mm).
4. Remove the lock pins using a screw extracting tool such
as an "Easy Out" (a size #2 is shown). If the pin cannot
be removed with the screw extractor, use a 5/16" bit to
drill out the entire pin. Do not drill deeper than 1/2" (12.7
mm).
5. Install the end cap removal tools provided with the Helac
seal kit ( 1/4-20 ).