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SANY Crawler Hydraulic Excavator SY215CLC (CUMMINS QSB6.7 engine). Shop Manual - page 38

Disassembly and Assembly

SY215C

8-116

★

Adhere additional rubber seal (6a)
onto the right cab window

●

Position of the additional rubber
seal:

(f): 50 mm

(f): 90 mm

(h): 250 mm

2) Adhere rubber seal (6) on the left cab

window as illustrated.

3) Adhere rubber seal (6) onto the lower

cab door window as illustrated.

ZXT225-1006247

ZXT225-1006248

ZXT225-1006249

Disassembly and Assembly

SY215C

8-117

★

Adhere additional rubber seal (6b)
onto the lower cab door window
frame as illustrated.

●

Position of additional rubber seal:

(j): 110 mm

(k): 90 mm

(m): 200 mm

4) Adhere rubber seal (6) onto the front

window glass as illustrated.

★

Different from the rubber seal (6) on
other window, rubber seal (6c) on
the bottom of the front window shall
be adhered onto the external edge
of the lower part of the front window
frame. (If it is adhered along the
inner edge, the rubber seal will be
seen through the clear part of the
glass.)

ZXT225-1006250

ZXT225-1006252

ZX225-1006251

Disassembly and Assembly

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5. Positioning of new window glass

1) Check the clearance between the edge

of glass and the cab in 4 directions,
and position the glass. Make sure the
clearance is even.

2) Put a tape [6] across the glass (9) and

cab (8) and draw a line (n) on it for
alignment.

★

Adhere tape [6] at 3 points as
illustrated for precise alignment of
right window glass, left rear window
glass and cab door lower window
glass.

3) Cut the tapes across the glass (9) and

the cab (8) and remove the glass.

★

Do not remove the tape on the left
side of the glass until the glass is
installed.

★

When positioning front window
glass (4), cover it across the width
of the window frame in the horizon-
tal direction.

Set the clearance (p) between the
top edge of the glass and the upper
frame at 3 mm when positioning it in
the vertical direction.

[6]

ZXT225-1006253

[6]

ZX225-1006254

ZX225-1006255

Disassembly and Assembly

SY215C

8-119

6. Adhesive

★

Store adhesion agent in dark places
where temperature is blow 25°C.

★

Do not heat the adhesive to above
30°C.

★

Before using adhesive that has been
unsealed, remove the hardened part at
the nozzle.

1) Open the aluminum seal (13) on the

head of the cylinder (12) and install the
nozzle.

Adhesive:

Sunrise MSI SR sealant U90 4463876

2) Cut the tip of nozzle as illustrated. Di-

mension of the cut:

●

(q): 10 mm

●

(r): 5 mm

3) Set the cylinder (12) in the gun [7].

★

An electrical caulking gun is more
ef

cient.

ZX225-1006256

ZX225-1006257

[7]

ZX225-1006258

Disassembly and Assembly

SY215C

8-120

4) Remove the waxed paper of the rubber

seal on the surface where adhesive is
to be applied.

5) Apply adhesive (15) along the external

edge of the rubber seal (6).

★

Adhesive (15) for rubber seal (6)
on cab (8) shall be applied as
illustrated:

●

Dimension of (s): 10 mm

●

Dimension of (t): 15 mm

★

Adhesive (15) shall be thicker that
the rubber seal (6).

★

Apply adhesive of the same thick-
ness evenly.

ZX225-1006259

ZX225-1006260

Disassembly and Assembly

SY215C

8-121

★

Apply adhesive (15) onto the
additional rubber seal of the right
window (6a) and additional rubber
seal of the cab door lower window
(6b).

7. Install window glass

1) Install window glass (9) and align it with

the mark on the cab. (See step 5)

★

Since the glass can not be remove
once installed, be very careful when
performing this task.

★

Install the glass properly within 5
minutes after adhesive has been
applied.

2) Press the perimeter of the glass (9)

after is has been put in place until it is
securely stuck to the rubber seal.

★

Press the corners of the glass hard.

ZX225-1006261

ZX225-1006262

ZXT225-1006263

Disassembly and Assembly

SY215C

8-122

★

After the front window glass has
been installed, fill the clearance
between the glass on area (s) and
the center adjusting seal (16) to
the dimension of (t) and (u). Coat
primer onto glass (4) on section A-A
and apply the adhesive as

llers.

●

Dimension of (t): 2 mm

●

Dimension of (u): 5 mm

★

Use a rubber spatula to cover the
edge of the glass and trim the
adhesive.

★

Remove surplus adhesive.

Glass primer:

Sunrise MSI Primer 35

Adhesive:

Sunrise MSI SR Sealant U90

4463876

ZX225-1006264

A-A

Disassembly and Assembly

SY215C

8-123

8. Fix the glass

1) After the right window glass (1) has

been adhered to the cab, put position-
ing chips a (1 or 2 pcs) beneath the
glass in order to

x it.

2) Use foam polystyrene blocks [9] and

rubber band [10] to fix the glass and
the rubber seal as illustrated.

9. After the glass has been fixed, remove

all the remaining primer and adhesive on
the cab and on the glass.

★

Clean the adhesive with unleaded
gasoline before it is hardened.

★

Do not apply impacting force onto the
glass when cleaning it.

10. Protection of

xed window glass

1) Remove the positioning chips, foam

polystyrene blocks and the rubber band
after 10 hours.

(Condition: Temperature: 20; humidity:
60%)

2) Wait for another 14 hours after the re-

moval of positioning chips, foam poly-
styrene blocks and rubber band before
operating the machine.

[9]

[10]

ZX225-1006266

ZXT225-1006265

Disassembly and Assembly

SY215C

8-124

8.28 Front Window AS - Disassemble and Assemble

Lower the work equipment onto the

ground and shut down the engine.

★

The front window assembly must be
removed from the cab in order to replace
the front window glass. Disassembling
and assembling method of front window
assembly (frame and glass) is illustrated in
the following part.

8.28.1 Disassemble

1. Raise the front window assembly to the

roof and secure it with the rear locks (at
both sides).

2. Remove left corner plate (1) and right

corner plate (2).

★

Mounting bolt (4) and washer (3) of the
left corner plate will be used in Step 6
to hang the pull rod.

ZX225-1006267

ZX225-1006268

3. Release the rear lock of the cab.

4. Lower the front window assembly care-

fully a bit. Take out and hold the rollers (5)
and (6) at the bottom of the front window
from the removed parts in Step 2.

5. Remove roller (5) and (6) from both

sides of the bottom of the front window.

Disassembly and Assembly

SY215C

8-125

6. Remove pin (7) at the lower left side.

★

Plate (8) at the end of the pull rod (9)
will come out by removing of pin (7).

★

Hang plate (8) onto the mounting bolt
of left corner plate (using the washer)
and

x it.

A return load of 58.8 N {6 kg}is ap-

plied onto the rear of the cab. Be
very careful when removing pin (7)
to disconnect pull rod (9).

7. Pull out the front window assembly (10)

from the opened part of the guide rail and
lower the assembly gradually.

ZX225-1006269

ZX225-1006270

ZX225-1006271

Disassembly and Assembly

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8-126

9. Move the front window assembly (10)

to the right and the left and remove the
two upper rollers (11) and (12) from the
guide rail. Then, remove the front window
assembly (10).

8. Lower the front window assembly (10)

completely.

★

Be careful not to allow the front window
assembly to damage the machine
monitor.

ZX225-1006272

ZX225-1006273

ZX225-1006274

Disassembly and Assembly

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8-127

8.28.2 Assemble

●

Reverse the disassembling sequence.

●

Adjust the opening and closing of the front
window assembly as per the following in-
struction.

1. Open and close the front window assembly

and check if it interferes with the guide rail.
Check if the roller is jammed.

2. If the front window can not be opened or

closed properly, loosen the mounting bolt
of the roller adjusting bracket (13) and
adjust the condition of the front window.
Tighten the mounting bolt after adjusting.

★

Make sure bracket (13) is installed
without an angle.

Mounting bolt: 34.3 N·m {3.5 kgf·m}

ZX225-1006275

ZX225-1006276

ZX225-1006277

3. Raise the front window assemble and fix

it with rear locks (at both sides).

★

Check if the locks at the rear of the cab
are securely

xed.

4. Install the right corner plate (2).

★

After the "locked" position is adjusted in
Step 6, tighten the corner plate.

★

Install the right corner plate. Clearance
(a) between the guide rail and the right
corner plate (2) is 0 – 2.0 mm.

★

Install the right corner plate. Keep the
surface (R) of the roller without a level
error.

Disassembly and Assembly

SY215C

8-128

5. Install left corner plate (1)

★

After the "locked" position is adjusted in
Step 6, tighten the corner plate.

★

Install left corner plate. Clearance (b)
between the guide rail and the left
corner plate (1) is 0 – 2.0 mm.

★

Install left corner plate and keep the
surface (R) of the roller without a level
error. (See the previous illustration).

6. Adjust the "locked" position of the lock of

front window assembly as per the following
instruction.

1) Tighten the left corner plate (1) and the

right corner plate (2) in a nearly correct
position so that front window glass (14)
is pressed closely against the adjusting
seal (19) on the cab.

ZX225-1006278

ZX225-1006279

Disassembly and Assembly

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8-129

2) Open and close the front window as-

sembly and check the working condi-
tion of left lock (16) and right lock (17).

●

If left lock (16) and right lock (17) do
not work properly,

i) Loosen the mounting bolt (19) of

the lock and move the lock (16) for-
ward. Tighten the bolt after that.

★

Adjust the right lock with the same
method.

ii) Check again the adaptability be-

tween the front window assembly
(14) and the adjusting seal (15) on
the cab. (Checked in Step 1)

●

Repeat Step i) and Step ii) until the
condition of front window glass and
lock (16) and (17) is satisfactory.
Tighten the mounting bolts of the
left and right corner plates.

7. After adjustment is finished, flush the

front window glass and check if any water
leaks into the cab.

8. Adjust the "locked" position of the lock of

front window assembly

1) After the "locked" position of the lock of

front window assembly is adjusted in
Step 6 and Step 7, raise the assembly
to the roof.

2) Set the locks of the front window as-

sembly at the rear of the cab at the
"locked" position, and check the follow-
ing items:

●

Check the conditions of left lock (16)
and right lock (17).

●

The front window assembly must
contact the left and right rubber
stopper (18), and the rubber stop-
pers must be pushed backward by

ZX225-1006280

ZX225-1006281

ZXT225-1006282

Disassembly and Assembly

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8-130

3) Close the front window assembly (10).

4) Loosen the retaining nut (20) at the left

and right side of rubber stopper (18),
and pull the two rubber stoppers (18)
inward so that they can not contact the
"unlocked" front window assembly.

1.5 – 3.0 mm.

●

The front window assembly shall
push the limit switch 4 – 7mm back-
ward.

5) Adjust the position of latch bolt (21).

★

Latch bolt(21): M10, Inner diameter
of plate (23): ø14.5 mm

6) Adjustment of left and right rubber stop-

per (18)

i) Allow front window assembly (10)

to contact the left and right rubber
stopper (18). (when the lock is "un-
locked")

ZX225-1006283

ZX225-1006285

ZXT225-1006284

Disassembly and Assembly

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8-131

ii) Lock front window assembly (10).

iii) Turn the left/right rubber stopper

(18) to the left by one and a half
round.

★

Turning the rubber stopper (18)
leftward for one round is equivalent
to pressing it by 1.5 mm.

★

When front window assembly is
"unlocked", it must move the left/
right rubber stopper (18) by 1.5 – 3.0
mm.

ZX225-1006286

ZX225-1006287

iv) Tighten the retaining nuts (20) at

both sides of the rubber stopper
(18).

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